Photographic camera accessory

Details Photographic camera accessory Photographic camera accessory

1979-06-04

1980-06-17

Griffin, Donald A.

G03B 708

Patent

active

042081122

ABSTRACT:
A photographic camera accessory is provided by which a camera of the type having an automatic exposure control system designed to properly expose film having a given speed can be adapted for use with a film having a faster speed.

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