- 专利标题: Optical low pass filter and, image capturing apparatus and image capturing unit having the same
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申请号: US15632183申请日: 2017-06-23
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公开(公告)号: US10534193B2公开(公告)日: 2020-01-14
- 发明人: Kazuhiko Momoki
- 申请人: CANON KABUSHIKI KAISHA
- 申请人地址: JP Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JP Tokyo
- 代理机构: Canon U.S.A., Inc. IP Division
- 优先权: JP2016-130913 20160630
- 主分类号: G02B27/28
- IPC分类号: G02B27/28 ; G02B27/12 ; H04N5/225
摘要:
An optical low pass filter includes a first birefringent plate, a second birefringent plate, a third birefringent plate, and a fourth birefringent plate. A conditional expression of 1.15
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