An optical system, sequentially comprising from an object side to an image side: a first lens having negative refractive power; a second lens having negative refractive power; a third lens having positive refractive power; a fourth lens having positive refractive power, both the object side surface and the image side surface of the fourth lens being convex; a fifth lens having negative refractive power, both the object side surface and the image side surface of the fifth lens being concave; and a sixth lens having positive refractive power, both the object side surface and the image side surface of the sixth lens being convex. The optical system satisfies the following relationship: −47
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
B60R 11/04 - Mounting of cameras operative during driveArrangement of controls thereof relative to the vehicle
2.
OPTICAL SYSTEM, CAMERA MODULE, ELECTRONIC DEVICE, AND CARRIER
An optical system (100), comprising: a first lens (L1) having negative refractive power, the object side surface (S1) being concave; a second lens (L2) having positive refractive power, the object side surface (S3) being convex; a third lens (L3) having positive refractive power, the object side surface (S5) being convex and the image side surface (S6) being convex; a fourth lens (L4) having positive refractive power; a fifth lens (L5) having negative refractive power, the object side surface (S9) being concave and the image side surface (S10) being concave; a sixth lens (L6) having positive refractive power; and a seventh lens (L7) having negative refractive power, the object side surface (S13) being concave and the image side surface (S14) being concave. The optical system (100) satisfies: -5≤f7/f≤-2.5, f7 being the effective focal length of the seventh lens (L7), and f being the effective focal length of the optical system (100).
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
3.
OPTICAL SYSTEM, IMAGE CAPTURING MODULE AND ELECTRONIC DEVICE
An optical system (100) comprises: a first lens (L1) having a positive refractive power and with an object-side surface (S1) being a convex surface and an image-side surface (S2) being a concave surface; a second lens (L2) having a refractive power and with an image-side surface (S4) being a concave surface; a third lens (L3) having a refractive power; a fourth lens (L4) having a positive refractive power and with an object-side surface (S7) thereof being a convex surface and an image-side surface (S8) being a convex surface; a fifth lens (L5) having a positive refractive power and with an object-side surface (S9) being a convex surface; a sixth lens (L6) having a negative refractive power and with an image-side surface (S12) being a concave surface; and the optical system (100) meets the following conditional expression: 10 ≤ (d12/f)*100 ≤ 22.5, wherein d12 is the distance, on an optical axis (110), between the image-side surface (S2) of the first lens (L1) and an object-side surface (S3) of the second lens (L2), and f is an effective focal length of the optical system (100).
An optical system (10), comprising: a first Lens (L1) having a negative refractive power; a second lens (L2) having a negative refractive power, with an object side (S3) and an image side (S4) thereof being concave surfaces at the near optical axis; a third lens (L3) having a positive refractive power, with an image side (S6) thereof being a convex surface at the near optical axis; a fourth lens (L4) with an object side surface (S7) thereof being a convex surface at the near optical axis; and a fifth lens (L5), with an image side (S10) thereof being a convex surface at the near optical axis. One of the fourth lens (L4) and the fifth lens (L5) has a positive refractive power, and the other has a negative refractive power. The optical system (10) satisfies: 2.2
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
5.
OPTICAL LENS, CAMERA MODULE, ELECTRONIC DEVICE AND VEHICLE
An optical lens (10), comprising in sequence from an object side to an image side: a first lens (L1) having a negative refractive power; a second lens (L2) having a negative refractive power, the object side surface (S3) of which can be concave or convex; a third lens (L3) having a positive refractive power, the object side surface (S5) of which is convex, and the image side surface (S6) of which is a planar or concave; a fourth lens (L4) having a positive refractive power; a fifth lens (L5) having a positive refractive power; a sixth lens (L6) having a negative refractive power, the object side surface (S11) and image side surface (S12) of which are both concave; and a seventh lens (L7) having a positive refractive power, the object side surface (S13) and image side surface (S14) of which are both convex. The optical lens (10) comprises a diaphragm (T1), and the optical lens (10) satisfies the following equation: 6.7(mm*10 -6/°C)<(CT5-CT6)*(α5-α6)<11.7(mm*10 -6/°C).
An optical lens (10), sequentially comprising from an object side to an image side: a first lens (L1) having negative refractive power; a second lens (L2) having negative refractive power; a third lens (L3) having positive refractive power; a fourth lens (L4) having positive refractive power, an object-side surface (S7) of the fourth lens (L4) being a convex surface near an optical axis (Z); a fifth lens (L5) having negative refractive power; and a sixth lens (L6) having positive refractive power. The optical lens (10) further comprises a diaphragm (STO). The optical lens (10) satisfies the following relational expression: 12.6mm<2*f*tan(FOV/2)<14.5mm, wherein f is the effective focal length of the optical lens (10), and FOV is the maximum field of view of the optical lens (10).
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
7.
OPTICAL IMAGING SYSTEM, LENS MODULE AND ELECTRONIC DEVICE
An optical imaging system, a lens module and an electronic device. The optical imaging system comprises, in order from an object side to an image side along an optical axis direction: a first lens (L1) that has negative refractive power; a second lens (L2) that has positive refractive power; a third lens (L3) that has positive refractive power; a fourth lens (L4) that has positive refractive power, an object side surface (S7) and image side surface (S8) of which are both convex near the optical axis; a fifth lens (L5) that has negative refractive power, an object side surface (S9) and image side surface (S10) of which are both concave near the optical axis; and a sixth lens (L6) that has positive refractive power, an object side surface (S11) and image side surface (S12) of which are both convex near the optical axis. The image side surface (S8) of the fourth lens is glued to the object side surface (S9) of the fifth lens, and the image side surface (S10) of the fifth lens is glued to the object side surface (S11) of the sixth lens. By means of the gluing design of the fourth lens (L4), the fifth lens (L5) and the sixth lens (L6), not only is the assembly process of the lens module simplified and the processing difficulty of the fourth lens (L4), the fifth lens (L5) and the sixth lens (L6) reduced, but the gluing design also helps to increase the resolution rate of the optical imaging system.
Provided are an optical imaging system (10), an imaging module, and an electronic apparatus. The optical imaging system (10) comprises, in sequence from the object side to the image side: a first lens (L1) having a negative refractive power; a second lens (L2) having a negative refractive power; a third lens (L3) having a positive refractive power; a fourth lens (L4) having a positive refractive power; a fifth lens (L5) having a negative refractive power; a sixth lens (L6) having a positive refractive power; and a seventh lens (L7) having a positive refractive power; the optical imaging system (10) satisfies the following conditional formula: -15.7 < f2/f < -5.5; wherein f2 is the focal length of the second lens (L2), and f is the effective focal length of the optical imaging system (10). The optical imaging system (10) not only expands the range of the field of view, but also increases the imaging range of the spatial depth of the object side, such that it is possible to capture detailed information from a relatively long distance away, and it is also possible to capture a wide angle range of shots.
An optical imaging system (10), an image capturing module (100) having the optical imaging system (10), and an electronic device (200) and a mobile device (300) having the image capturing module (100). The optical imaging system sequentially comprises, from an object side to an image side, a first lens (L1) having a negative refractive power, and an object side surface (S1) being convex; a second lens (L2) having a negative refractive power, both an object side surface (S3) and an image side surface (S4) being concave; a third lens (L3) having a positive refractive power, an object side surface (S5) being convex; a fourth lens (L4) having a positive refractive power; a fifth lens (L5) having a positive refractive power; a sixth lens (L6) having a negative refractive power, the fifth lens (L5) and the sixth lens (L6) integrally having a positive refractive power; a seventh lens (L7) having a positive refractive power, both an object side surface (S13) and an image side surface (S14) being convex; the optical imaging system (10) further comprises a diaphragm (STO); and the optical imaging system (10) satisfies the following conditional expression: 6
An optical lens assembly, a lens module, and an electronic device. The optical lens assembly comprises, sequentially along the optical axis from the object side to the image side: a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), a fifth lens (E5), and a sixth lens (E6). The optical lens assembly has a diaphragm (ST) on the optical axis. The total length of the optical system of the optical lens assembly is TTL, the focal length of the optical lens assembly is f, and TTL and f satisfy the conditional expression 12
iiiii950) is the difference between the refractive index of an ith lens under reference light of 486 nm and the refractive index of the ith lens under reference light of 950 nm. The optical imaging system (10) has relatively good imaging capability in environments with different light brightnesses. Further provided are an image capture module (100) having the optical imaging system (10), and an electronic apparatus (200) and an automobile (300) having the image capture module (100).
An optical imaging system (10), sequentially comprising, from an object side to an image side, a first lens group (12) having negative refractive power, the face (S4) of the first lens group (12) that is closest to the image side being concave; a second lens group (14) having positive refractive power, faces (S5, S6) of the second lens group (14) that are closest to the object side and the image side both being convex; and a third lens group (16) having positive refractive power, faces (S7, S12) of the third lens group (16) that are closest to the object side and the image side both being convex. The optical imaging system (10) further includes a diaphragm (STO), the diaphragm (STO) being arranged on the object side of the third lens group (16). The optical imaging system (10) meets the requirement of a system for ultra-wide-angle imaging by means of rational refractive power configurations, and the size of an ultra-wide-angle lens is reduced and the definition of an imaging effect is ensured. Further provided are an image capture module (100) provided with the optical imaging system (10), an electronic device (200) provided with the image capture module (100), and a carrier (300).
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
13.
OPTICAL SYSTEM, CAMERA MODULE, ELECTRONIC DEVICE AND AUTOMOBILE
An optical system (10), which comprises in order from the object side to the image side: a first lens (L1) that is negative, an object side surface (S1) of which is convex at a paraxial position, and an image side surface (S2) of which is concave at a paraxial position; a second lens (L2) that is negative, an object side surface (S3) and image side surface (S4) of which are both concave at a paraxial position; a third lens (L3) that is positive, an object side surface (S5) of which is convex at a paraxial position, and an image side surface (S6) of which is concave at a paraxial position; a fourth lens (L4) that is positive; a fifth lens (L5) that is negative, and that is cemented with the fourth lens (L4); and a sixth lens (L6) that is positive. The optical system (10) satisfies: -7≤f1/(Rs2-SAGs2)≤-4; wherein f1 is the focal length of the first lens (L1), Rs2 is the radius of curvature of the image side surface (S2) of the first lens (L1) at an optical axis, and SAGs2 is the sagittal height of the image side surface (S2) of the first lens (L1) at the maximum effective aperture.
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
14.
OPTICAL LENS, IMAGE CAPTURING MODULE, ELECTRONIC DEVICE, AND DRIVING DEVICE
An optical lens (100), an image capturing module (200), an electronic device, and a driving device (300). The optical lens (100) sequentially comprises, from an object side to an image side along an optical axis: a first lens (L1) having negative refractive power, an object side surface (S1) thereof being a convex surface at a paraxial region, and an image side surface (S2) being a concave surface at a paraxial region; a second lens (L2) having negative refractive power, an image side surface (S4) thereof being a concave surface at a paraxial region; a third lens (L3) having positive refractive power; a fourth lens (L4) having negative refractive power; a fifth lens (L5) having positive refractive power, an object side surface (S9) thereof being a convex surface at a paraxial region; and a sixth lens (L6) having negative refractive power, an image side surface (S12) being a convex surface at a paraxial region. The sixth lens (L6) and the fifth lens (L5) are cemented. The optical lens (100) further comprises a diaphragm (ST0), the diaphragm (ST0) is provided at the object side (S1) of the first lens (L1) or between the first lens (L1) and the sixth lens (L6), and the object side surface and/or the image side surface of at least one lens of the first lens (L1) to the sixth lens (L6) is aspherical. When a specific relationship is satisfied, the effects of expanding a viewing angle range, ensuring high imaging performance, and implementing miniaturization can be simultaneously realized.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
15.
OPTICAL SYSTEM, IMAGE CAPTURING MODULE, ELECTRONIC DEVICE, AND AUTOMOBILE
An optical system (100), sequentially comprising, from an object side to an image side: a first lens (L1) having a negative refractive power, an object side surface (S1) being convex at a paraxial position, and an image side surface (S2) being concave at a paraxial position; a second lens (L2) having a negative refractive power, an object side surface (S3) being concave at a paraxial position, and an image side surface (S4) being concave at a paraxial position; a third lens (L3) having a positive refractive power; a stop (STO); a fourth lens (L4) having a positive refractive power; a fifth lens (L5) having a positive refractive power; and a sixth lens (L6) having a negative refractive power; the optical system (100) satisfies a conditional expression -20 ≤ f5*f6/f ≤ -10, in which f5 is an effective focal length of the fifth lens (L5), f6 is an effective focal length of the sixth lens (L6), and f is an effective focal length of the optical system (100).
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
16.
OPTICAL LENS, IMAGE CAPTURING MODULE, AND ELECTRONIC APPARATUS
Disclosed are an optical lens (10), an image capturing module (100), and an electronic apparatus (1000). The optical lens (10) sequentially comprises, from an object side to an image side: a first lens (L1) having a negative refractive power, with an object-side surface (S1) of the first lens being a convex surface, and an image-side surface (S2) thereof being a concave surface; a second lens (L2) having a positive refractive power, with an object-side surface (S3) of the second lens being a convex surface; a third lens (L3) having a negative refractive power; a fourth lens (L4) having a positive refractive power; a fifth lens (L5) having a positive refractive power; and a diaphragm (STO) provided on an object side of the first lens (L1), wherein the object-side surfaces and the image-side surfaces of the first lens (L1), the second lens (L2), the third lens (L3), the fourth lens (L4) and the fifth lens (L5) comprise at least one aspherical surface and at least one spherical surface; and the optical lens satisfies the following conditional expression: 5 < (f1+f2)/(CT1-CT2) < 20, wherein f1 is the focal length of the first lens (L1), f2 is the focal length of the second lens (L2), CT1 is the thickness of the first lens (L1) on an optical axis, and CT2 is the thickness of the second lens (L2) on the optical axis. With such a design, the optical lens (10) can be miniaturized, the installation and use are convenient, and the resolution ratio is high.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 11/30 - Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement having five lenses only
Disclosed is an optical imaging lens (100), sequentially comprising, from an object side to an image side along an optical axis, a first lens group having a refractive power, which lens group sequentially comprises, from the object side to the image side along the optical axis, a first lens (L1) having a negative refractive power, a second lens (L2) having a negative refractive power, an object-side face (S3) thereof being a concave face near the optical axis, and a third lens (L3) having a positive refractive power, an image-side face (S6) thereof being a convex face near the optical axis; and a second lens group having a refractive power, which lens group sequentially comprises, from the object side to the image side along the optical axis, a fourth lens (L4) having a positive refractive power, an object-side face (S7) thereof being a convex face or a concave face near the optical axis, a fifth lens (L5) having a positive refractive power, and a sixth lens (L6) having a negative refractive power. When satisfying a specific relationship, the optical imaging lens (100) can achieve balance in terms of extending the range of a field of view, achieving miniaturization, and ensuring high resoultion. An image capture module (200), an electronic device (400), and a driving device (300) are further disclosed.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 11/32 - Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement having six lenses only
G02B 11/34 - Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement having more than six lenses
18.
OPTICAL SYSTEM, CAMERA MODULE, ELECTRONIC DEVICE AND VEHICLE
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
19.
OPTICAL SYSTEM, CAMERA MODULE, AND ELECTRONIC DEVICE
An optical system (10), from an object side to an image side, sequentially comprising: a first lens (L1) having positive refractive power, an object side surface (S1) of the first lens (L1) is convex in a paraxial region, and an image side surface (S2) of the first lens (L1) is concave in a paraxial region; a second lens (L2) having negative refractive power; a third lens (L3) having positive refractive power; a fourth lens (L4); a fifth lens (L5), together with the fourth lens (L4), forming a lens group having positive refractive power; and a six lens (L6) having negative refractive power. The optical system (10) satisfies the condition: -1.1
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
20.
OPTICAL SYSTEM, CAMERA MODULE, ELECTRONIC DEVICE, AND AUTOMOBILE
An optical system (10), sequentially comprising from an object side to an image side: a first lens (L1) having negative refractive power; a second lens (L2) having negative refractive power; a third lens (L3) having positive refractive power; a fourth lens (L4) having positive refractive power, both the object side surface (S7) and the image side surface (S8) of the fourth lens (L4) being convex; a fifth lens (L5) having negative refractive power, both the object side surface (S9) and the image side surface (S10) of the fifth lens (L5) being concave; and a sixth lens (L6) having positive refractive power, both the object side surface (S11) and the image side surface (S12) of the sixth lens (L6) being convex. The optical system (10) satisfies the following relationship: -47
Disclosed are a sealing ring (10), a lens, a camera module, an electronic device and a mold (20). The sealing ring comprises an annular ring (100), wherein the orthographic projection on a projection surface (200), of the annular ring is a first projection; the projection surface (200) is perpendicular to the axial direction of the annular ring (100); the first projection is annular and comprises a first outer ring line (210) located on the outer side; the first outer ring line (210) is formed by the projection of a second outer ring line (110) on an outer surface wall (140) of the annular ring (100); the outer surface wall (140) of the annular ring (100) comprises a burr zone; burrs are formed on the burr zone during injection molding of the sealing ring (10); and at least part of the second outer ring line (110) is located outside the burr zone. When the annular ring (100) is used for sealing, the second outer ring line (110) abuts against an external component, and when burrs or residual burrs on the second outer ring line (110) are reduced, the tightness of contact between the sealing ring (10) and the external component can be enhanced, thereby improving the sealing effect of the sealing ring (10).
A lens system sequentially comprises, from an object side to an image side along an optical axis: a first lens (L1) having negative refractive power, the image-side surface thereof being a concave surface; a second lens (L2) having positive refractive power; a third lens (L3) having negative refractive power, the object-side surface thereof being a concave surface, and the image-side surface thereof being a concave surface; a fourth lens (L4) having positive refractive power, the image-side surface thereof being a convex surface; a fifth lens (L5) having positive refractive power; and a diaphragm (STO) provided at the object side of the lens system or between the first lens (L1) and the fifth lens (L5). Also provided are an image capturing module, an electronic device and a driving device.
G02B 9/00 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or –
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
23.
OPTICAL IMAGING SYSTEM, IMAGING MODULE, ELECTRONIC DEVICE AND DRIVING DEVICE
Provided is an optical imaging system. The optical imaging system (100) sequentially comprises, from an object side to an image side along an optical axis, a first lens group having a negative refractive power; a second lens group having a positive refractive power; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; and a diaphragm arranged on the object side of the third lens group. According to the optical imaging system (100), the lenses in the system are divided into groups such that the system can achieve both a wide viewing angle and a high resolution capability, and also has the characteristic of miniaturization. An imaging module comprising the optical imaging system, and an electronic device and a driving device comprising the imaging module are further provided.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
B60R 1/00 - Optical viewing arrangementsReal-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
24.
CAMERA LENS, IMAGE CAPTURING DEVICE, ELECTRONIC DEVICE AND DRIVING DEVICE
The present application relates to a camera lens, an image capturing device, an electronic device and a driving device. The camera lens comprises, in order from the object side to the image side along an optical axis: a first lens having a negative refractive power, wherein the object side surface of the first lens is convex near the optical axis, and the image side surface is concave near the optical axis; a second lens having a refractive power, wherein the object side surface of the second lens is concave; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a refractive power; and a diaphragm provided on the object side of the camera lens or between the first lens and the fourth lens. The foregoing camera lens has the characteristics of high pixels, a large viewing angle, and a wide range of depth of field when a specific relationship is satisfied.
An optical lens, comprising sequentially from an object side to an image side along an optical axis: a first lens (L1) having a negative refractive power; a second lens (L2) having a negative refractive power, the object side face (S3) of the second lens (L2) being a concave face; a third lens (L3) having a positive refractive power, the object side face (S5) of the third lens (L3) being a convex face, and the image side face (S6) thereof being a convex face; a fourth lens (L4) having a positive refractive power; a fifth lens (L5) having a positive refractive power; a sixth lens (L6) having a negative refractive power; and a diaphragm (STO), the diaphragm (STO) being provided at the object side of the optical lens or between the first lens (L1) and the sixth lens (L6). The optical lens is characterized by a wide angle of view, a large range of depth of field, high resolution, and miniaturization. Further provided are an imaging module, an electronic device and a driving device.
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 11/30 - Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement having five lenses only
26.
OPTICAL SYSTEM, CAMERA MODULE, ELECTRONIC DEVICE, AND AUTOMOBILE
An optical system (10), sequentially comprising, from an object side to an image side: a first lens (L1) having negative refractive power, an object side surface (S1) of the first lens (L1) being a convex surface, and an image side surface (S2) being a concave surface; a second lens (L2) having negative refractive power, an object side surface (S3) of the second lens (L2) being a convex surface, and an image side surface (S4) being a concave surface; a third lens (L3), a fourth lens (L4), and a fifth lens (L5) that have positive refractive power; and a sixth lens (L6) having negative refractive power, an object side surface (S11) of the sixth lens (L6) being a concave surface, and an image side surface (S12) being a convex surface. The optical system (10) further comprises a diaphragm provided in the middle, and the optical system (10) satisfies the relationship that: 0
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 11/32 - Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement having six lenses only
27.
WIDE-ANGLE LENS, IMAGING MODULE, ELECTRONIC DEVICE, AND DRIVING DEVICE
A wide-angle lens (100), an imaging module (200), an electronic device (400), and a driving device (300). The wide-angle lens (100) comprises, in sequence from the object side to the image side along the optical axis, a first lens (L1) having a negative refractive power, the area on the object side surface near the optical axis being convex and the area on the image side surface near the optical axis being concave; a second lens (L2) having a negative refractive power and having a concave object side surface; a third lens (L3) having a positive refractive power; a fourth lens (L4) having a negative refractive power and having a concave image side surface; a fifth lens (L5) having a positive refractive power and having a convex object side surface; a sixth lens (L6) having a positive refractive power; and an optical stop (STO) provided on the object side of the sixth lens (L6). When satisfying the relational expression, -2×10 -6/k
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
An optical system (10), a lens module (20), and a terminal device (30). The optical system (10), arranged in order from an object side to an image side, comprises a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), and a seventh lens (L7), the first lens (L1) and the fifth lens (L5) have negative refractive powers, and the remaining lenses have positive refractive powers; the optical system (10) satisfies the following conditional relation: 40 < (HFOV × f) / Imgh < 60; HFOV is the horizontal field of view of the optical system (10), f is the effective focal length of the optical system (10), and Imgh is the image height corresponding to the horizontal field of view of the optical system (10). By means of a suitable configuration of the refractive powers of the lenses from the first lens (L1) to the seventh lens (L7) in the optical system (10), as well as the restriction on (HFOV × f) / Imgh, the optical system (10) has long focal length and high resolution, can clearly photograph objects at a relatively far distance, has better picture quality, and produces more detailed pictures.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
29.
OPTICAL IMAGING SYSTEM AND IMAGE CAPTURING DEVICE HAVING SAME, AND ELECTRONIC DEVICE
An optical imaging system (100), comprising an optical lens group. The optical lens group comprises a first lens (1), a second lens (2), a third lens (3), a fourth lens (4), a fifth lens (5), a sixth lens (6), a seventh lens (7), and an eighth lens (8) sequentially arranged in the axial direction. The first lens (1), the second lens (2), the fifth lens (5), the sixth lens (6), and the seventh lens (7) all have positive refractive power. The third lens (3), the fourth lens (4), and the eighth lens (8) all have negative refractive power.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Disclosed are an optical system (10), a lens module (20) and a terminal device (30). The optical system (10) comprises a plurality of lenses sequentially arranged from an object side to an image side, with the plurality of lenses including a first lens L1 having a negative refractive power; a second lens L2 having a negative refractive power, with the object-side surface S3 of the second lens L2 being a concave surface, and the image-side surface S4 of the second lens L2 being a convex surface; a third lens L3 having a positive refractive power, with the object-side surface S5 of the third lens L3 being a convex surface; a fourth lens L4 having a positive refractive power; a fifth lens L5 having a negative refractive power; a sixth lens L6 having a negative refractive power; a seventh lens L7 having a negative refractive power, with the object side surface S13 of the seventh lens L7 being a concave surface; and an eighth lens L8 having a positive refractive power. By means of defining the refractive power of the first lens L1 to the eighth lens L8 and the surface types of the second lens L2, the third lens L3 and the seventh lens L7 in the optical system (10), the optical system (10) is high-pixel, can capture imaging information more clearly, has a better image quality, and expands the imaging field of view.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
31.
OPTICAL SYSTEM, CAMERA MODULE, ELECTRONIC DEVICE AND AUTOMOBILE
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera module (10), sequentially comprising from an object side to an image side: a first lens (L1) having negative refractive power, an image side surface (S1) thereof being a concave surface; a second lens (L2) having negative refractive power, an image side surface (S4) thereof being a concave surface; a third lens (L3), a fourth lens (L4), and a fifth lens (L5) that have positive refractive power, wherein an object side surface (S9) of the fifth lens (L5) is a convex surface, and an image side surface (S10) thereof is a convex surface; a sixth lens (L6) having negative refractive power, an object side surface (S11) thereof being a concave surface; and a diagram (STO) provided on the object side of the fourth lens (L4). The camera module (10) satisfies the following relationship: 0≤Ym/[(1/2)FOVm*P]≤26, wherein Ym is half of an image height corresponding to an m° field angle of the module in a horizontal direction, FOVm is the m° field angle of the module in the horizontal direction, and P is the size of a unit pixel on a photosensitive element (110).
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
33.
IMAGING LENS, IMAGE CAPTURE APPARATUS, ELECTRONIC APPARATUS AND DRIVING APPARATUS
An imaging lens (100), an image capture apparatus (200), an electronic apparatus (400) and a driving apparatus (300), the imaging lens (100) comprising, in sequence along an optical axis from an object side to an image side: a first lens (L1) having a negative refractive power; a second lens (L2) having a positive refractive power; a third lens (L3) having a negative refractive power; a fourth lens (L4) having refractive power, an object-side face (S7) and an image-side face (S8) of the fourth lens (L4) both being convex; a fifth lens (L5) having refractive power, an object-side surface (S9) and an image-side surface (S10) of the fifth lens (L5) both being concave; a sixth lens (L6) having a positive refractive power; a seventh lens (L7) having refractive power, an image-side surface (S14) of the seventh lens (L7) being convex; and a diaphragm (STO), disposed at an object side of the fourth lens (L4). The imaging lens (100) can take into account miniaturization while having high resolution, is relatively low-cost, and is suited for large-scale production.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
34.
OPTICAL SYSTEM, LENS MODULE, AND ELECTRONIC DEVICE
An optical system, a lens module, and an electronic device. The optical system comprises a first lens to a sixth lens in sequence from the object side to the image side in the optical axis direction. The first lens, a second lens, and the sixth lens have negative refractive powers; a third lens to a fifth lens have positive refractive powers; the object side surfaces of a near optical axis area and a near circumferential area of the first lens, the second lens, and the third lens are all convex surfaces, and the image side surfaces of the near optical axis area and the near circumferential area are all concave surfaces; the image side surfaces of the near optical axis area and the near circumferential area of a fourth lens and a fifth lens are all convex surfaces; the object side surfaces of the near optical axis area and the near circumferential area of the fifth lens are both convex surfaces; and the object side surfaces of the near optical axis area and the near circumferential area of the sixth lens are both concave surfaces, and the image side surface of the near optical axis area is a convex surface. By providing a six-piece lens structure and reasonably configuring the refractive powers and surface shapes of the six optical lenses, the optical system is ensured to have the characteristics of wide-angle and miniaturization while satisfying a high resolution.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
An optical system (10), a lens module (20) and a terminal device (30). The optical system (10) comprises, along the direction of the optical axis from the object side to the image side, a first lens group that has a negative refractive power, and a second lens group, third lens group and fourth lens group that have positive refractive powers; an image side surface (S4) of a lens adjacent to the image side in the second lens group near the optical axis is concave; an object side surface (S5) of a lens adjacent to the object side in the third lens group near the optical axis is concave; the fourth lens group comprises at least two lenses; and at least one lens in the fourth lens group has a negative refractive power. The refractive powers and surface shapes of the first lens group to the fourth lens group are reasonably configured so that the optical system (10) has high-pixel, good imaging quality, which may clearly capture imaging information and meet the requirements of the optical system (10) for high-pixel image quality.
Disclosed are an optical system (10), a lens module (20), and a terminal device (30). The optical system (10) comprises, from an object side to an image side in an optical axis direction, a first lens (L1) with a negative refractive power; a second lens (L2) with a negative refractive power; a third lens (L3) with a positive refractive power; a fourth lens (L4) with a negative refractive power, with an object-side face (S7) of the fourth lens (L4) near the optical axis being a convex face, and an image-side face (S8) of the fourth lens (L4) near the optical axis being a concave face; and a fifth lens (L5) with a positive refractive power, with an image-side face (S10) of the fifth lens (L5) near the optical axis being a convex face, wherein the image-side face (S8) of the fourth lens (L4) is fitted to an object-side face (S9) of the fifth lens (L5), and the optical system (10) satisfies the following conditional expression: 4 ＜ TTL/(ImgH * 2) ＜ 6, where TTL is the distance, on the optical axis, from an object-side face (S1) of the first lens (L1) to an imaging face (S15) of the optical system (10), and ImgH is the half image height of the optical system (10) in a horizontal direction. The ratio of the face types of the first lens (L1) to the fifth lens (L5) to the refractive power and the ratio of TTL/(ImgH * 2) are rationally configured, such that the optical system (10) has an imaging effect with a wide viewing angle and a high imaging resolution, and system aberration correction is facilitated.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
An optical lens group, a camera module, and a terminal, relating to the technical field of optical imaging. The optical lens group comprises a first lens (110), a second lens (120), a third lens (130), a fourth lens (140), and a fifth lens (150) which are provided in sequence from the object surface to the image surface along the optical axis; the first lens (110) has a positive refractive power, the radius of curvature of the object side surface of the first lens (110) is positive, and the radius of curvature of the image side surface of the first lens (110) is negative; the second lens (120) has a negative refractive power; the fifth lens (150) has a negative refractive power, and the radius of curvature of the object side surface of the fifth lens (150) is negative. When the optical lens group is used in a DMS, information of a driver can be accurately captured in real time for system image analysis, so that when the driver is tired and distracted, the DMS can issue an alarm in time to provide protection for driving safety. When the optical lens group is used in security monitoring, detailed information can also be clearly recorded, and corresponding technical support and application assurance are provided in practical applications.
The present application provides an optical imaging system, comprising, in sequence from the object side to the image side: a first lens assembly having a positive focal power; a second lens assembly having a positive refractive power; and a third lens assembly having a negative refractive power; the first lens assembly comprising a first lens, the object side face of the first lens being a convex surface, the image side face being a convex surface or a flat surface; the second lens assembly comprising two lenses; the third lens assembly comprising two lenses. The optical imaging system of the present application has high pixel resolution and a small volume. In addition, the present application also provides an image capture apparatus and an electronic device.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
39.
CAMERA LENS ASSEMBLY, IMAGE CAPTURE MODULE, AND ELECTRONIC DEVICE
Provided are a camera lens assembly, an image capture module, and an electronic device. The camera lens assembly is used for light imaging comprising a visible light wave band and an infrared wave band; the camera lens assembly comprises the following, in order from the object side to the image side along the optical axis: a first lens (L1) having a negative refractive power, its object side face being a convex surface; a second lens (L2) having a positive refractive power; a third lens (L3) having a negative refractive power; a fourth lens (L4) having a refractive power; a fifth lens (L5) having a refractive power, its object side face being a convex surface and its image side face being a convex surface; a sixth lens (L6) having a negative refractive power, its image side being a concave surface; a stop (ST0) is arranged between the object side of the camera lens assembly and the sixth lens (L6); the camera lens assembly satisfies the following relationship: 0<|ns3-ns1|×100<30; ns3 represents the s optical refractive index of the third lens (L3), and ns1 represents the s optical refractive index of the first lens (L1). The camera lens assembly can obtain high-resolution images even in conditions of low light, satisfying the multi-scenario image capture requirements of a vehicle-mounted assistance system.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/14 - Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
40.
OPTICAL IMAGING SYSTEM, IMAGE CAPTURE APPARATUS, AND ELECTRONIC DEVICE
Provided is an optical imaging system, sequentially comprising, from an object side to an image side, a first lens having a positive focal power, with an object side face of the first lens being a convex face; a second lens having a negative focal power, with both an object side face and an image side face of the second lens being a concave face; a third lens having a positive focal power, with both an object side face and an image side face of the third lens being a convex face; a fourth lens having a positive focal power, with both an object side face and an image side face of the fourth lens being a convex face; and a fifth lens having a negative focal power, with both an object side face and an image side face of the fifth lens being a concave face. The optical imaging system in the present application has a high pixel resolution and is small in size. In addition, the present application further provides an image capture apparatus and an electronic device.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 13/00 - Optical objectives specially designed for the purposes specified below
41.
OPTICAL LENS GROUP FOR IMAGING, CAMERA MODULE AND TERMINAL
The embodiments of the present application disclose an optical lens group for imaging, a camera module and a terminal, and belong to the technical field of optical imaging; the optical lens group comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged along an optical axis from an object surface to an image surface; wherein, the first lens, the third lens and the seventh lens all have negative refractive power; and the second lens and the sixth lens both have positive refractive power. The camera formed by the optical lens group of the embodiment of the present application has the advantages of wide viewing angle, low sensitivity, miniaturization, high imaging quality and the like.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 3/04 - Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
The present disclosure provides a lens unit including: a lens including a first circular shaped portion and a second circular shaped portion arranged in a row along an optical axis direction; and a lens-barrel formed of a resin and formed in a tubular shape, the lens-barrel including: a first inner peripheral face to which the first circular shaped portion is fitted, and a second inner peripheral face to which the second circular shaped portion is fitted and is positioned separated in the optical axis direction from a fitting section where the first circular shaped portion and the first inner peripheral face are fitted, the second circular shaped portion contacts with the second inner peripheral face at three or more portions in a circumferential direction.
A lens unit is provided that includes: a first lens that is housed inside a lens-barrel, the first lens including a first lens section and a first flange section that juts out from the first lens section in a direction orthogonal to an optical axis direction; a second lens that is housed inside the lens-barrel further toward an imaging plane side than the first lens, the second lens including a second lens section and a second flange section that juts out from the second lens section in a direction orthogonal to the optical axis direction; and a spacing ring that is sandwiched between the first lens and the second lens and that defines a spacing between the first lens and the second lens, the spacing ring includes a main body disposed between the first flange section and the second flange section in the optical axis direction, first protrusion portions that protrude in the optical axis direction from an object side of the main body, and second protrusion portions that protrude in the optical axis direction from the imaging plane side of the main body and are disposed offset with respect to the first protrusion portions when projected along the optical axis direction.
Provided are an imaging lens, which has a small F number and in which various aberrations are satisfactorily corrected, and an imaging apparatus including the imaging lens.
r)<0.8 (1)
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
An imaging lens includes, in order from the object side to the image side: a first lens having a negative refractive power and a concave surface toward the image side; a positive second lens having a negative refractive power; a third lens having a positive refractive power and a convex surface toward the image side; a fourth lens having a convex surface toward the image side; a fifth lens having a positive refractive power and a convex surface toward the image side; and a sixth lens having a negative refractive power and a concave surface toward the object side. Predetermined conditional formulae related to first lens, the second lens, and the third lens are satisfied.
G02B 9/00 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or –
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 15/14 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
B60R 1/08 - Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots
B60R 1/12 - Mirror assemblies combined with other articles, e.g. clocks
B60R 11/04 - Mounting of cameras operative during driveArrangement of controls thereof relative to the vehicle
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G03B 13/00 - ViewfindersFocusing aids for camerasMeans for focusing for camerasAutofocus systems for cameras
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
B60R 1/08 - Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots
B60R 1/12 - Mirror assemblies combined with other articles, e.g. clocks
B60R 11/04 - Mounting of cameras operative during driveArrangement of controls thereof relative to the vehicle
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
B60R 1/00 - Optical viewing arrangementsReal-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
G02B 9/08 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having two components only two + components arranged about a stop
G02B 9/04 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having two components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 15/177 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
G02B 3/04 - Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere
An imaging lens composed of six lenses of a negative first lens, a positive second lens, a negative third lens, a positive fourth lens, a positive fifth lens, and a negative sixth lens, disposed in order from the object side, and when refractive indices of the third lens to the sixth lens are taken as Nd3 to Nd6 respectively, the imaging lens satisfies conditional expressions (1): Nd3<1.7, (2): Nd4<1.6, (3):Nd5<1.6 and (4): Nd6<1.89.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 15/177 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
An imaging lens consists of a front group and a rear group. The front group is composed of a lens having a negative meniscus shape with a convex surface on the object side, a negative lens, a negative lens, and a positive lens in order from the object side. The rear group is composed of a positive lens, a negative lens, a positive lens, and a positive lens in order from the object side. The imaging lens satisfies given conditional expressions.
G02B 9/04 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having two components only
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. An object-side surface of the second lens has a shape having negative refractive power at a center, and including a part having positive refractive power in an area between the center and an effective diameter edge, and having negative refractive power at the effective diameter edge (concave shape facing the object side), and the refractive power at the effective diameter edge being weaker than the refractive power at the center. Further, an object-side surface of the third lens is convex toward the object side. Further, a predetermined conditional formula about a combined focal length of the first lens, the second lens and the third lens is satisfied.
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
63.
Imaging lens, imaging apparatus and information terminal apparatus
When an optical image is formed through an imaging lens on an imaging surface that is convex toward a light incident side, the imaging lens is constructed in such a manner that a defocus MTF peak position at an arbitrary image height in a range of from 70% to 100% of a maximum image height of the optical image is located further in a light-traveling direction than a same kind of defocus MTF peak position on an optical axis of the imaging lens.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
G02B 15/14 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
An imaging device with a short length and small aberration is provided. A total length D of an image-forming optical system is less than 3.6 mm. A maximum incidence angle of a principle ray on an image forming plane exceeds 33°. Conditions f/fL<−1.50 or f/fL<−0.9, and D/f<1.10 are satisfied where f denotes a focal length of the entire image-forming optical system and fL denotes a focal length of a last lens.
An image pickup lens includes a first lens having a positive meniscus shape convex toward an object side, a second lens disposed on an image side of the first lens and has a meniscus shape convex toward the image side, and an aperture stop disposed on the object side of the image side surface of the first lens, and satisfies conditional expressions given below, in which f is a focal length of the entire system, R2 is a paraxial radius of curvature of the object side of the first lens, R3 is a paraxial radius of curvature of the image surface of the first lens, and DD is a distance on the optical axis between the first and second lenses: 0.45
G02B 9/06 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having two components only two + components
G02B 9/04 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having two components only
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
An image pickup lens having the following disposed from an object side in the order listed below: a first lens having a negative meniscus shape with a concave surface on an image side, a second lens having a negative meniscus shape with a concave surface on the object side adjacent to an optical axis, a third positive lens having a convex surface on the image side adjacent to the optical axis, an aperture, and a fourth lens having a bi-convex shape adjacent to the optical axis. Each of the second, third, and fourth lenses has an aspherical surface on each side.
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
An imaging lens includes a first lens, a second lens, a third lens, an aperture stop, and a fourth lens, sequentially arranged from the object-side. The first lens has negative power, and an object-side surface is convex and an image-side surface is concave. Both surfaces of the second lens are aspheric, and in the vicinity of the optical axis, the second lens has negative power, and the object-side surface is concave and the image-side surface is convex. Both surfaces of the third lens are aspheric, and in the vicinity of the optical axis, the third lens has positive power, and the object-side surface is convex, and the image-side surface is convex. Both surfaces of the fourth lens are aspheric, and in the vicinity of the optical axis, the fourth lens has positive power, and the object-side surface is concave, and the image-side surface is convex.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
An imaging lens includes a first lens, a second lens, a third lens, an aperture stop, and a fourth lens, sequentially arranged from the object-side of the imaging lens. The first lens has negative power, and an object-side surface is convex and an image-side surface is concave. Both surfaces of the second lens are aspheric, and in the vicinity of the optical axis, the second lens has negative power, and the object-side surface is convex and the image-side surface is concave. Both surfaces of the third lens are aspheric, and in the vicinity of the optical axis, the third lens has positive power, and the object-side surface is convex, and the image-side surface is concave. Both surfaces of the fourth lens are aspheric, and in the vicinity of the optical axis, the fourth lens has positive power, and the object-side surface is concave, and the image-side surface is convex.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
Disclosed is an imaging lens that has a wide angle of view, a small size in the diametric direction of a lens system, and a good optical performance. An imaging lens includes a first negative lens having a meniscus shape in which a concave surface faces an image side, a second negative lens having a meniscus shape in which a concave surface faces the image side and including at least one aspheric surface, a third positive lens including at least one aspheric surface, an aperture diaphragm, and a fourth positive lens including at least one aspheric surface, which are arranged in this order from an object side. The imaging lens satisfies the following Conditional expression 1: f2/f<−4.5, where f indicates the focal length of the entire system and f2 indicates the focal length of the second lens.
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
Disclosed is an imaging lens capable of improving weatherability, reducing performance degradation, and obtaining an optical performance excellent across a wide wavelength region from the visible wavelength region to the near-infrared wavelength region. An imaging lens for forming an image of visible and near-infrared light includes, in order from the object side: a front group that has a positive power; an aperture stop; and a rear group that has a negative power. In the imaging lens, the rear group includes a negative meniscus lens that is disposed closer to the object side and has a surface convex toward the object side, and a biconvex lens that is disposed closer to the image side. In addition, all the lenses constituting the imaging lens are single lenses.
An optical element incorporated into an imaging optical system, comprising: an effective diameter area that allows effective light flux contributing to imaging to pass, a non-effective diameter area that surrounds the effective diameter area; and an outer peripheral face that surrounds the non-effective diameter area. The effective diameter area, the non-effective diameter area and the outer peripheral face are centered on an imaging optical axis. At least a thickness-direction part of the outer peripheral face or a circumferential part thereof is a non-parallel face having an inclination to an imaging optical axis. A light incident from a face of an object side, reflected on a face of an image-plane side to the outer peripheral face and reflected on the outer peripheral face is not incident to an image plane.
An imaging lens includes in order from an object side: a first lens including a positive lens having a convex surface directed to the object side; a stop; a second lens including a positive lens having a convex surface directed to an image side; a third lens including a negative meniscus lens with a concave surface directed to the object side; and a fourth lens including, near an optical axis, a positive meniscus shape with a convex surface directed to the object side. An air space between the second lens and the third lens is smaller in a periphery than near the optical axis. And f1>f2>|f3| and 1.0
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a convex surface on the object side and having a positive power; a second lens having a concave surface on the object side and having a negative power; a third lens having a positive power; and a fourth lens having a convex surface on the object side near a paraxial axis and having a meniscus shape. The imaging lens satisfies conditional expressions as specified.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
vd1 and vd2 denote Abbe numbers of lenses, which are located on the most object side and on the most image side among lenses constituting the cemented lens, at the d-line, respectively.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
It is provided that an imaging lens having satisfactory optical performances and being reduced in size and cost. The imaging lens includes in order from an object side, a negative first lens, a negative second lens, a positive third lens, a stop, a positive fourth lens and a negative fifth lens L5. And the focal length f3 of the third lens at d-line, the focal length f of the whole system at d-line satisfy 3.0
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 9/08 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having two components only two + components arranged about a stop
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens group having a positive power as a whole; a second lens group including a lens in the most object side thereof, the lens having a concave surface on the object side thereof; a third lens group including a cemented lens of a lens having a positive power and a lens having a negative power; and a fourth lens group having a negative power as a whole.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
G02B 9/12 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only
A zoom lens includes, in order from an object side, a first lens group fixed upon zooming and wholly having a negative refractive power, a second lens group formed by an optical-path bending prism fixed upon zooming and, a third lens group allowed to move upon zooming and wholly having a positive refractive power, a fourth lens group allowed to move upon zooming and wholly having a negative refractive power, and a fifth lens group fixed upon zooming and wholly having a positive refractive power. By arranging a zooming group having the positive third and negative fourth lens groups without arranging a positive fixed lens group in back of the prism, the overall length can be easily reduced as compared to the structure arranging a fixed lens group between a prism and a zooming group.
G02B 15/14 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a positive refractive power and having a convex surface on the object side; a second lens having a negative refractive power and having a concave surface on the object side; a third lens having a positive refractive power in the vicinity of an optical axis thereof; and a fourth lens of a meniscus lens having a negative refractive power and having a convex surface on the object side, the imaging lens satisfying the specific conditional expressions.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
An imaging lens includes: in order from an object side, an aperture diaphragm; a first lens of a positive lens having a convex surface on the object side; a second lens of a meniscus lens having a concave surface on the object side; and a third lens. The imaging lens satisfies: f/f3<0.95 and BR2<0. BR2 satisfies BR2=A/D4, A represents a distance from a vertex position on a object-side surface of the second lens and on an optical axis to a position on a image-side surface of the second lens through which a light ray passes toward a corner of an image height, provided that a traveling direction of the light ray is taken as appositive direction, and D4 represents a center thickness of the second lens. f represents a focal length of the imaging lens. f3 represents a focal length of the third lens.
G02B 9/12 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only
An imaging lens is configured sequentially from the object side by: a first lens having a meniscus shape where a convex surface is directed to the object side; a second lens; and a positive third lens in which an image-side surface is a convex surface. The first lens, the second lens, and the third lens are configured by a bi-aspherical plastic lens. The second lens is configured by a bi-convex lens in which the absolute value of the radius of curvature of the object-side surface is smaller than that of the image-side surface. The third lens is a positive lens and a meniscus lens in which a concave surface is directed to the object side, and a convex surface is directed to the image side.
G02B 9/12 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 9/00 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or –
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
90.
Imaging lens and camera system including the same lens
An imaging lens comprises, in order from an object side: a first lens having a negative refractive power with a concave surface directed to an image side thereof; a second lens having a positive refractive power with a convex surface directed to an image side thereof and having an absolute value of a radius of curvature on the image side is equal to or smaller than that on an object side thereof; an aperture stop; a third lens which is a planoconvex lens having a plane on an object side thereof or a double-convex lens having on an object side thereof a surface of which an absolute value of a radius of curvature is larger than that on an image side thereof; and a compound lens of a fourth lens and a fifth lens, the compound lens having a positive composite power.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a positive refractive power; a second lens having a positive refractive power and being a spherical glass lens having a convex surface on an image side thereof; a third lens having a negative refractive power and having a concave surface on the object side in the vicinity of an optical axis thereof; and a fourth lens having a positive refractive power and having a meniscus shape in the vicinity of the optical axis thereof, a convex surface in the meniscus shape being directed to the object side, the imaging lens satisfying a specific condition.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
where f represents a focal distance of the imaging lens; D2 represents an air interval between the first lens and second lens along an optical axis of the imaging lens; and TL represents a distance (along the optical axis) from an object-side surface of the first lens to an image forming surface.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 13/22 - Telecentric objectives or lens systems
An imaging lens comprises, in order from an object side:
a first lens having a positive refractive power;
a second lens having a negative refractive power whose concave surface faces to the object; and
a third lens having a positive refractive power and having a meniscus form that has a convex surface, facing to the object, in a portion at and around an optical axis of the imaging lens;
wherein the first, second and third lenses have at least one aspheric surface, and
where
f: a focal length of an overall system,
f1: a focal length of the first lens,
f2: a focal length of the second lens,
f3: a focal length of the third lens, and
D2: a spacing, on the optical axis, between the first lens and the second lens.
G02B 9/12 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only
G02B 9/14 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only arranged + – +
where f denotes a focal length of the entire system of the imaging lens, f1 denotes a focal length of the first lens G1 and D2 denotes an interval on the optical axis Z1 between the first lens G1 and the second lens G2.
G08B 9/14 - Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships hydraulicOrder telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships pneumatic
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a convex surface directed to the object side on an optical axis and having a positive power; an aperture diaphragm placed between a top position of an object-side surface of the first lens and a position of an image-side surface of the first lens on the optical axis; a second lens having a meniscus shape with a concave surface directed to the object side on the optical axis; and a third lens having a meniscus shape with a convex surface directed to the object side on the optical axis. Further, the imaging lens satisfies specific conditional expressions.
A single focus lens comprises: a first lens of positive power having a convex-shaped surface on an object side; a second lens of a negative meniscus lens having, on the object side, a concave-shaped surface on its paraxial axis; and a third lens of an aspheric lens having, on the object side, a convex-shaped surface on its paraxial axis, in this order from the object side, wherein the single focus lens satisfies the predetermined conditions.
G02B 9/14 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only arranged + – +
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 13/00 - Optical objectives specially designed for the purposes specified below
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a convex surface on the object side and having a positive power; a second lens having a concave surface on the object side and having a negative power; a third lens having a positive power; and a fourth lens having a convex surface on the object side near a paraxial axis and having a meniscus shape. The imaging lens satisfies conditional expressions specified in the specification.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
A single focus lens comprises: a first lens of positive power having a convex-shaped surface on an object side; a second lens of a negative meniscus lens having, on the object side, a concave-shaped surface on its paraxial axis; and a third lens of an aspheric lens having, on the object side, a convex-shaped surface on its paraxial axis, in this order from the object side, wherein the single focus lens satisfies the predetermined conditions.
G02B 9/14 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only arranged + – +
G02B 3/02 - Simple or compound lenses with non-spherical faces
G02B 9/12 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only
A single focus lens is provided and includes: in order from an object side of the single focus lens, a first lens having positive power and having a convex surface on the object side; a second lens of a negative meniscus lens and having a concave surface of the object side on its paraxial axis; and a third lens of an aspherical lens having a convex surface on the object side on its paraxial axis. The single focus lens satisfies conditions specified in the specification.
G02B 9/14 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only arranged + – +
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 3/02 - Simple or compound lenses with non-spherical faces
patents
