View finder for camera

Details View finder for camera View finder for camera

1996-05-31

1997-12-02

Adams, Russell E.

Photography

With viewfinder

Selective or adjustable viewfinder field

396373, 396382, G03B 1302

Patent

active

056946287

ABSTRACT:
A camera view finder has a movable eyepiece lens barrel which is automatically shifted in the optical axis to a specific axial position in which the view finder protrudes from the camera body and provides dioptric power suitable for normal eyesight photographers when powering on the camera, to an additional axial position and to shifted back within the camera body when powering off camera.

REFERENCES:
patent: 4268151 (1981-05-01), Kobori et al.
patent: 4712897 (1987-12-01), Crema
patent: 5083149 (1992-01-01), Kudo et al.
patent: 5546224 (1996-08-01), Yokota
patent: 5563670 (1996-10-01), Tenmyo
patent: 5585965 (1996-12-01), Hayashi et al.

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