Camera having a variable photographing aperture and retractable

Details Camera having a variable photographing aperture and retractable Camera having a variable photographing aperture and retractable

1993-04-13

1995-05-02

Blankenship, Howard B.

354159, 3541951, G03B 3700

Patent

active

054124433

ABSTRACT:
A camera is capable of photographing with a plurality of photographing aperture sizes, the largest one of the plurality of photographing aperture sizes being defined. At least one movable plate member is provided for converting a photographing aperture size into one, which is smaller than the largest of the plurality of predetermined photographing aperture sizes, and an optical system capable of advancing and retracting with respect to the camera body intersects with the movement plane of the at least one movable plate member when the optical system retracts. In such a camera, the at least one movable plate member is moved so as not to interfere with retraction of the optical system when it retracts.

REFERENCES:
patent: 3470805 (1969-10-01), Suzuki et al.
patent: 3978503 (1976-08-01), Shomo
patent: 5010357 (1991-04-01), Misawa
patent: 5086311 (1992-02-01), Naka et al.

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