Camera of which the photographing image field is changeable

Details Camera of which the photographing image field is changeable Camera of which the photographing image field is changeable

1995-04-05

1995-12-19

Gellner, Michael L.

354 94, G03B 1702, G03B 3700

Patent

active

054772940

ABSTRACT:
A camera of which the photographing image field is changeable comprises an aperture member for prescribing a first photographing image field, first and second mask members movable in directions substantially perpendicular to an optical axis to thereby shield a portion of an opening in the aperture member from the opposite sides of the opening and define a second photographing image field, an operating member for moving the first mask member, and an interlocking member for moving the second mask member in the direction opposite to the direction of movement of the first mask member in operative association with the movement of the first mask member.

REFERENCES:
patent: 4728977 (1988-03-01), Yomogizawa et al.
patent: 5010357 (1991-04-01), Misawa
patent: 5066971 (1991-11-01), Kodaira
patent: 5086311 (1992-02-01), Nara et al.
patent: 5325140 (1994-06-01), Torikoshi et al.
patent: 5335031 (1994-08-01), Ogawa
patent: 5398088 (1995-03-01), Tamazaki

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