Patent Number: 6,166,859

Title: Viewfinder optical system and optical apparatus having the same

Abstract: A viewfinder optical system for conducting light from an object to an observer includes a plurality of reflecting surfaces having optical powers. Optical paths of each ray of a light flux reflected successively by the plurality of reflecting surfaces intersect each other at least twice, and the light from the object forms an image at least twice when passing through the viewfinder optical system.

Inventors: Inuzuka; Yumiko (Yokohama, JP), Saito; Hiroshi (Kawasaki, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: G02B 17/08 (20060101); G02B 23/14 (20060101); G03B 13/08 (20060101); G03B 13/06 (20060101); G02B 027/14 (); G02B 027/10 (); G02B 025/00 (); G03B 013/08 ()

Expiration Date: 12/26/2017