Photographic flash device

Details Photographic flash device Photographic flash device

1979-03-29

1981-06-30

Lechert, Jr., Stephen J.

Illumination

Photographic lighting

Measuring or indicating

362 18, 362277, G03B 1502

Patent

active

042765790

ABSTRACT:
In a photographic exposure device of the type comprising a flash section comprising a flash tube which flashes by the energy charged on a main discharge capacitor and a reflector, and a flash light emission angle variable mechanism capable of varying the flash light emission angle by changing the position from said flash section, an exposure data section on which are displayed an aperture, a film sensitivity or speed, a distance to a subject and other useful data for photography is connected to said flash light emission angle variable mechanism by a connecting mechanism in such a way that when the flash light emission angle is made variable by said flash light emission angle variable mechanism the exposure data displays may be changed.

REFERENCES:
patent: 4141059 (1979-02-01), Shiojiri
patent: 4190880 (1980-02-01), Esaki

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