Follow focus intercept actuating system for photographic apparat

Details Follow focus intercept actuating system for photographic apparat Follow focus intercept actuating system for photographic apparat

1975-03-03

1976-07-27

Hix, L. T.

354 30, 354196, G03B 700

Patent

active

039720586

ABSTRACT:
An exposure control system with follow focus capability is provided for a photographic camera apparatus of the non-single lens reflex viewing type having means for receiving and initiating the energization of a source of artificial light to illuminate a photographic scene. The follow focus aspect of the exposure control system is automatically actuable to provide a range responsive aperture adjustment upon the mounting of a flash unit upon the camera apparatus.

REFERENCES:
patent: 3714871 (1973-02-01), Bresson
patent: 3832722 (1974-08-01), Douglas

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