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2022
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Invention
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Lens barrel.
A lens barrel is provided with an adjustment mechanism and the adjustment mechanism... |
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Invention
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Lens barrel. Provided is a lens barrel in which the interval between lenses of a movable zoom len... |
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2021
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Invention
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Image-forming optical system, projection device, and imaging device.
An image formation optical ... |
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Invention
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Image-forming optical system, projection device, and imaging device. [Problem] To obtain an image... |
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Invention
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Optical system having intermediate image formed therein.
An optical system includes a first opti... |
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Invention
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Optical system having intermediate image formed therein. Provided is an optical system (10) compr... |
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Invention
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Lens system and projector.
There is provided a lens system composed, in order from an enlargemen... |
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Invention
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Lens system and projector. Provided is a lens system (10) configured from a first lens group (G1)... |
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2020
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Invention
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Projection optical system and projector device. [Problem] To facilitate the correction of field c... |
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Invention
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Projection optical system and projector device. [Problem] To ensure brightness at the periphery o... |
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Invention
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Lens barrel. A lens barrel is provided to be attached to a camera body that can reduce an outer d... |
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Invention
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Lens barrel. [Problem] To provide a lens barrel to be attached to a camera body, in which the out... |
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Invention
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Optical filter and imaging lens unit. An optical filter includes: a base material; and a pluralit... |
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Invention
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Optical filter and imaging lens unit. This optical filter 1 has a base material 100 and a plurali... |
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2019
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Invention
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Projection optical system and projector. Provided is a projection optical system (10) that projec... |
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Invention
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Projection optical system and projector device. [Problem] To enlarge the range in which the focus... |
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Invention
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Lens for filming.
A lens for filming includes a plurality of movable lenses and arranged apart f... |
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Invention
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Cinema imaging lens. [Problem] To obtain a cinema imaging lens capable of suppressing focus breat... |
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Invention
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Imaging lens optical system. [Problem] To obtain an imaging lens optical system capable of suppre... |
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Invention
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Optical system with intermediate image formed in interior thereof. Provided is an optical system ... |
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Invention
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Projection optical system and projector. Provided is a projection optical system (10) for project... |
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Invention
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Projection optical system and projector apparatus.
where the radius of curvature of a light inci... |
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Invention
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Projection optical system and projector device. [Problem] To suppress Fresnel loss at an achromat... |
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Invention
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Projection optical system and projector. A projection optical system (10) projects from a first i... |
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Invention
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Lens system and imaging apparatus. er|≤4.0. |
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Invention
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Lens system and imaging device. This imaging lens system (10) is configured from a negative refra... |
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Invention
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Lens system and imaging device. An imaging lens system (10) is provided. Arranged in order from t... |
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Invention
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Zoom lens system and imaging apparatus. A zoom lens system (10) for imaging, includes, in order f... |
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Invention
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Zoom lens system and imaging device. Provided is a zoom lens system (10) for imaging, comprising,... |
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Invention
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Lens barrel and interchangeable lens camera. A lens barrel is provided with: a stationary barrel ... |
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Invention
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Lens barrel and interchangeable lens camera. Provided are a lens barrel and an interchangeable le... |
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Invention
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Projection optical assembly and projector device. a) with positive refractive power that is posit... |
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2018
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Invention
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Lens system and image pickup apparatus.
A lens system (10) for image pickup includes, in order f... |
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Invention
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Lens system and image pickup apparatus. A lens system (10) for image pickup includes, in order fr... |
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Invention
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Lens system and imaging device. An imaging lens system (10) is provided with, in order from the o... |
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Invention
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Lens system and imaging device. An imaging lens system (10) has arranged, in order from an object... |
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Invention
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Optical system for image pickup and image pickup apparatus. An optical system includes: a first l... |
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Invention
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Optical diaphragm device, lens barrel and imaging device or projection device. An optical diaphra... |
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Invention
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Diaphragm device and lens barrel.
A diaphragm device includes a bottom plate that is formed in a... |
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Invention
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Lens unit.
A lens unit includes a lens barrel holding lenses and an attachment attached to an en... |
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Invention
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Lens barrel and camera device. A lens barrel has at least one movable lens group that can move in... |
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Invention
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Optical system for image pickup, and image pickup device. An optical system (10) for image pickup... |
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2017
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Invention
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Projection optical system and projector. A projection optical projects from a first image plane o... |
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Invention
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Lens barrel. A lens barrel includes: a lens frame that holds a lens and is movable in the optical... |
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Invention
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Imaging device. An imaging device is provided that includes: a lens barrel, an element holder adh... |
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P/S
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Lens units for projectors; lens units for digital cameras; lens units for measurement equipment; ... |
