Invention Grant
- Patent Title: Optical system and image pickup apparatus having same
- Patent Title (中): 具有相同的光学系统和图像拾取装置
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Application No.: US12195195Application Date: 2008-08-20
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Publication No.: US08279526B2Publication Date: 2012-10-02
- Inventor: Kazuhiko Momoki , Sayoko Amano , Takehiko Nakai , Reona Ushigome , Takeharu Okuno , Daisuke Sano
- Applicant: Kazuhiko Momoki , Sayoko Amano , Takehiko Nakai , Reona Ushigome , Takeharu Okuno , Daisuke Sano
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc. IP Division
- Priority: JP2007-236408 20070912
- Main IPC: G02B5/02
- IPC: G02B5/02
Abstract:
An optical system includes an optical element formed of resin. On at least one of optical surfaces on the light incidence side of the optical element formed of resin, a plurality of depressions or protrusions of a size not larger than the wavelengths of visible light is formed without a periodic structure or in a random arrangement.
Public/Granted literature
- US20090067053A1 OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS HAVING SAME Public/Granted day:2009-03-12
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