Title:
OPTICAL SYSTEM, OPTICAL APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/166492
Kind Code:
A1
Abstract:
This optical system has a plurality of lenses, and is configured such that the most image-side final lens among the plurality of lenses has a lens surface having a pole, and satisfies the following conditional expression. 0.20
Inventors:
ITO TOMOKI (JP)
TAKEMOTO TAKUTO (JP)
TAKEMOTO TAKUTO (JP)
Application Number:
PCT/JP2021/000725
Publication Date:
August 26, 2021
Filing Date:
January 12, 2021
Export Citation:
Assignee:
NIKON CORP (JP)
International Classes:
G02B13/00; G02B13/18
Foreign References:
| JP2010145648A | 2010-07-01 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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