Title:
EYEPIECE OPTICAL SYSTEM
Document Type and Number:
Japanese Patent JP2016166968
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an eyepiece optical system capable of providing a wide view angle and suppressing various aberrations even in the case of a small display panel.SOLUTION: An eyepiece lens for a finder comprises a first lens L1 having positive refractive power, a second lens L2 having negative refractive power, and a third lens L3 having positive refractive power, in order from an object side to a pupil side, and satisfies following conditional expressions: 0.6
Inventors:
KOSAKA YUICHI
Application Number:
JP2015046563A
Publication Date:
September 15, 2016
Filing Date:
March 10, 2015
Export Citation:
Assignee:
CANON KK
International Classes:
G02B25/00; G03B13/06
Attorney, Agent or Firm:
Yukio Takanashi