OPTICAL SYSTEM

To provide an optical system which corrects well for aberrations such as chromatic aberration and offers reduced weight by appropriately selecting glass materials of lenses constituting each lens group.SOLUTION: An optical system disclosed herein comprises an object-side lens group GF and an image-s...

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Bibliographic Details
Main Author SHIODA RYO
Format Patent
LanguageEnglish
Japanese
Published 25.01.2024
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHOTOGRAPHY
PHYSICS
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Summary:To provide an optical system which corrects well for aberrations such as chromatic aberration and offers reduced weight by appropriately selecting glass materials of lenses constituting each lens group.SOLUTION: An optical system disclosed herein comprises an object-side lens group GF and an image-side lens group GR arranged in order from the object side, and has a lens LA that satisfies a given conditional expressions.SELECTED DRAWING: Figure 1 【課題】各レンズ群を構成するレンズの硝材を適切に使用することで、色収差などの諸収差を補正しつつ軽量化を達成した光学系を提供する。【解決手段】物体側から順に、物体側レンズ群ＧＦと像面側レンズ群ＧＲを配置して構成され、所定の条件式を満足するレンズＬＡを有することを特徴とする光学系を提供する。【選択図】図１
Bibliography:Application Number: JP20220113938