Title:
OBSERVATION OPTICAL SYSTEM AND OPTICAL DEVICE
Document Type and Number:
Japanese Patent JP2023046217
Kind Code:
A
Abstract:
To provide an observation optical system having excellent performance and enabling observation with a wide apparent field of view, and an optical device with this observation optical system.SOLUTION: An observation optical system comprises a display element, and an eyepiece arranged on an eyepoint side of the display element. The eyepiece includes at least one negative lens. The observation optical system satisfies a conditional expression: 0.35
Inventors:
SAITO HIROKI
MIYAGISHIMA SHUNSUKE
MIYAGISHIMA SHUNSUKE
Application Number:
JP2022038623A
Publication Date:
April 03, 2023
Filing Date:
March 11, 2022
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
G02B25/00
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office