Title:
OPTICAL SYSTEM, OPTICAL DEVICE, AND METHOD FOR MANUFACTURING OPTICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/038719
Kind Code:
A1
Abstract:
Provided are an optical system whereby good optical performance can be obtained, an optical device that comprises the optical system, and a method for manufacturing the optical system. An optical system OL1 used in an optical device such as a camera 1 comprises an objective optical system GO and an image-forming optical system GI that forms an image from an intermediate image IM formed by the objective optical system GO, and is configured so as to satisfy the condition in the following expression: 0.40 < fo/f < 0.80 (where fo is the focal length of the objective optical system GO, and f is the whole-system focal length of the optical system OL).
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Inventors:
ITO TOMOKI (JP)
Application Number:
PCT/JP2023/025978
Publication Date:
February 22, 2024
Filing Date:
July 14, 2023
Export Citation:
Assignee:
NIKON CORP (JP)
International Classes:
G02B13/00; G02B13/18; G02B15/20
Foreign References:
| JP2008536175A | 2008-09-04 | |||
| JP2021167857A | 2021-10-21 | |||
| JP2021076771A | 2021-05-20 | |||
| JP2012252037A | 2012-12-20 | |||
| JP2022036667A | 2022-03-08 |
Attorney, Agent or Firm:
HOSAKA Joyo (JP)
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