FILM CARTRIDGE HAVING A LENS APERTURE STOP

A film cartridge provided with means defining an aperture stop for determining the exposure aperture of cameras in which the cartridge is adapted for use. Cartridges according to the invention are of particular utility in cameras of the type having a fixed exposure aperture and a single shutter spee...

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Bibliographic Details
Main Author JOHN H. EAGLE
Format Patent
LanguageEnglish
Published 04.01.1972
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A film cartridge provided with means defining an aperture stop for determining the exposure aperture of cameras in which the cartridge is adapted for use. Cartridges according to the invention are of particular utility in cameras of the type having a fixed exposure aperture and a single shutter speed for reducing the effective size of the exposure aperture of the camera in accordance with the speed of the film contained in the cartridge.
Bibliography:Application Number: USD3631782