Variable format viewfinder for camera

Details Variable format viewfinder for camera Variable format viewfinder for camera

1995-01-11

1996-12-24

Gellner, Michael L.

Photography

With viewfinder

Selective or adjustable viewfinder field

396435, G03B 1310

Patent

active

055877559

ABSTRACT:
A variable format viewfinder for a camera comprises a pair of masking blades at least one of which is movable relative to the other to change the format of the view through the viewfinder to match the format of a picture to be taken. One of the masking blades has a plurality of format-indicators which are individually uncovered by the other blade each time at least one of the masking blades is moved to change the format of the view through the viewfinder. This permits the uncovered indicator to be seen to identify the format of the picture to be taken.

REFERENCES:
patent: 2149384 (1938-03-01), Becker
patent: 2943549 (1960-07-01), Nerwin
patent: 3011385 (1961-12-01), Frost
patent: 3619202 (1971-11-01), Bellows
patent: 4529283 (1985-07-01), Oshima et al.
patent: 5059994 (1991-10-01), Harvey
patent: 5066971 (1991-11-01), Kodaira
patent: 5111228 (1992-05-01), Hansen
patent: 5255030 (1993-10-01), Mukai et al.
patent: 5353076 (1994-10-01), Goddard
16031 Research Disclosure Aug. 1977.
16981 Research Disclosure May 1978.

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