Photographic system for use in flash photography with a camera

Details Photographic system for use in flash photography with a camera Photographic system for use in flash photography with a camera

1982-09-09

1984-07-03

Gellner, Michael L.

354446, G03B 716

Patent

active

044576110

ABSTRACT:
A photographic system for use in flash photography with a camera is disclosed. The system is constructed to emit a preliminary flash light of infrared light component in advance of a main flash light emission of visible light component for flash photography in order that the preliminary flash light emission does not stimulate a human eye. The preliminary flash light is used for controlling an exposure of the camera such as an aperture of diaphragm.

REFERENCES:
patent: 4305647 (1981-12-01), Ishida
patent: 4316659 (1982-02-01), Daniels
patent: 4327978 (1982-05-01), Ishida et al.

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