- 专利标题: Optical system, optical apparatus, and method of manufacturing optical system
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申请号: US16771649申请日: 2017-12-15
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公开(公告)号: US11971540B2公开(公告)日: 2024-04-30
- 发明人: Masashi Yamashita , Tomoki Ito , Hiroshi Yabumoto , Hiroshi Yamamoto , Satoshi Miwa , Keisuke Tsubonoya , Ayumu Makida , Takeru Uehara
- 申请人: Nikon Corporation
- 申请人地址: JP Tokyo
- 专利权人: Nikon Corporation
- 当前专利权人: Nikon Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Potomac Law Group, PLLC
- 国际申请: PCT/JP2017/045187 2017.12.15
- 国际公布: WO2019/116567A 2019.06.20
- 进入国家日期: 2020-10-08
- 主分类号: G02B27/00
- IPC分类号: G02B27/00 ; G02B3/00 ; G02B15/14 ; G02B15/163
摘要:
An optical system (LS) includes lenses (L22,L23) satisfying the following conditional expressions,
ndLZ+(0.01425×νdLZ)
ndLZ+(0.01425×νdLZ)
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