Invention Grant
- Patent Title: Optical system, optical apparatus and method for manufacturing the optical system
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Application No.: US17636703Application Date: 2020-08-26
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Publication No.: US12061324B2Publication Date: 2024-08-13
- Inventor: Masashi Yamashita , Tomoki Ito , Tomonori Kuribayashi , Keigo Koida , Satoshi Miwa , Yoko Komatsubara , Katsuya Watanabe , Azuna Nonaka , Ayumu Makida
- Applicant: Nikon Corporation
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Potomac Law Group, PLLC
- Priority: JP 19157741 2019.08.30 JP 19157744 2019.08.30
- International Application: PCT/JP2020/032106 2020.08.26
- International Announcement: WO2021/039814A 2021.03.04
- Date entered country: 2022-02-18
- Main IPC: G02B15/14
- IPC: G02B15/14 ; G02B15/16
Abstract:
An optical system (LS) has an aperture stop (S), and a negative lens (L73) disposed closer to the image side than the aperture stop (S) and satisfying the following conditional expressions.
−0.010
−0.010
Public/Granted literature
- US20220291489A1 OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE OPTICAL SYSTEM Public/Granted day:2022-09-15
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