Selectable aperture shape camera

Details Selectable aperture shape camera Selectable aperture shape camera

1996-05-08

1997-02-18

Metjahic, Safet

Photography

Variable frame masking

Having wide aspect ratio

396435, 396281, G03B 3700

Patent

active

056045522

ABSTRACT:
A camera enables photography with a plurality of image plane formats and comprises an aperture portion having an opening for permitting photographic light to pass therethrough, a light shielding member movable between at least two predetermined positions to change a shape of the opening in the aperture portion, an operation member for moving the light shielding member to change the shape of the opening in the aperture portion, a detecting device for detecting a position of the light shielding member, and a warning device for providing a warning in response to a detection of the detecting device that the light shielding member is not located in any of the predetermined positions.

REFERENCES:
patent: 4803505 (1989-02-01), Saijo et al.
patent: 5059993 (1991-10-01), Harvey
patent: 5066971 (1991-11-01), Kodaira
patent: 5086311 (1992-02-01), Naka et al.
patent: 5257055 (1993-10-01), Cho et al.

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