Exposure multiple setting device for programming electric shutte

Details Exposure multiple setting device for programming electric shutte Exposure multiple setting device for programming electric shutte

1976-09-03

1977-10-11

Hix, L. T.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351 51, G03B 708

Patent

active

040539083

ABSTRACT:
In a programming electric shutter for a camera, the photoconductive element receiving light from the subject to be photographed comprises a plurality of photoelectric bodies. An exposure multiple setting device permits using one or more of the photoelectric bodies selectively according to the exposure factors or the sensitivity of the film to be used.

REFERENCES:
patent: 3730063 (1973-05-01), Koleayashi et al.
patent: 3838433 (1974-09-01), Imura
patent: 3882511 (1975-05-01), Tsujimoto et al.
patent: 3974509 (1976-08-01), Tsuda et al.

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