Invention Grant
- Patent Title: Optical system, optical apparatus, and method of manufacturing optical system
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Application No.: US16771668Application Date: 2017-12-15
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Publication No.: US11686926B2Publication Date: 2023-06-27
- Inventor: Masashi Yamashita , Tomoki Ito , Hiroshi Yabumoto , Hiroshi Yamamoto , Satoshi Miwa , Keisuke Tsubonoya , Ayumu Makida , Takeru Uehara
- Applicant: Nikon Corporation
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Potomac Law Group, PLLC
- International Application: PCT/JP2017/045188 2017.12.15
- International Announcement: WO2019/116568A 2019.06.20
- Date entered country: 2020-06-10
- Main IPC: G02B13/18
- IPC: G02B13/18 ; G02B13/02 ; G02B15/14 ; G02B27/00
Abstract:
An optical system (LS) Includes lenses (L22,L23) satisfying the following conditional expressions,
νdLZ
νdLZ
Public/Granted literature
- US20210072520A1 OPTICAL SYSTEM, OPTICAL APPARATUS, AND METHOD OF MANUFACTURING OPTICAL SYSTEM Public/Granted day:2021-03-11
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