Folding variable format viewfinder for camera

Details Folding variable format viewfinder for camera Folding variable format viewfinder for camera

1995-05-24

1996-06-25

Mathews, A. A.

33266, G03B 1310, G01C 300

Patent

active

055305105

ABSTRACT:
A viewfinder masking assembly having three different aspect ratio masks comprises a single piece three-mask unit with the respective masks connected via living hinges. A mask selector has a camming device for folding one mask behind another in various ways to place a selected mask in a viewing field.

REFERENCES:
patent: 2917968 (1959-12-01), Nojiri
patent: 4216589 (1980-08-01), Beaver
patent: 4283860 (1981-08-01), Rucker
patent: 4931818 (1990-06-01), Gates
patent: 4933694 (1990-06-01), Gates et al.
patent: 4990946 (1991-02-01), Gates

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