Display device for camera

Details Display device for camera Display device for camera

1979-09-28

1981-11-10

Hix, L. T.

354149, 354289, G03B 1505, G03B 1720

Patent

active

042994632

ABSTRACT:
In the disclosed system, a camera of the type which manually presets a diaphragm aperture and particularly for a camera which operates with a computer flash device. For flash operation, the aperture of such a camera must be set at a value suitable for the flash device. A signal representative of an aperture value suitable for the computer flash device and a signal representative of a preset aperture value are compared and, when these two values coincide with each other, the coincidence is displayed by a display device arranged within the view finder to let the photographer know that the camera has been set at an aperture value required for flash photography.

REFERENCES:
patent: 3515047 (1970-06-01), Hahn
patent: 4200370 (1980-04-01), Aizawa et al.

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