Finder system of a single lens reflex camera

Details Finder system of a single lens reflex camera Finder system of a single lens reflex camera

1994-12-15

1997-06-17

Gray, David M.

Photography

With viewfinder

Selective or adjustable viewfinder field

G03B 1310

Patent

active

056406312

ABSTRACT:
A finder system of a single lens reflex camera provided with a mechanism for defining a viewing area of the finder system when the camera is in a first predetermined mode. When the camera is in a second predetermined mode, a mechanism is provided for shading a predetermined portion of the viewing area of the finder system with the light shading mechanism having at least one light shielding plate. The finder system also includes a mechanism for changing the camera form the first predetermined mode to the second predetermined mode.

REFERENCES:
patent: 2149384 (1939-03-01), Becker
patent: 2157548 (1939-05-01), Leitz
patent: 2943549 (1960-07-01), Nerwin
patent: 3033072 (1962-05-01), Miller et al.
patent: 5159372 (1992-10-01), Nomura et al.
patent: 5255030 (1993-10-01), Mukai et al.
patent: 5307111 (1994-04-01), Kurei
patent: 5345285 (1994-09-01), Hasushita et al.

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