Photometry controller for camera having an electronic flash cont

Details Photometry controller for camera having an electronic flash cont Photometry controller for camera having an electronic flash cont

1982-09-27

1984-06-26

Gellner, Michael L.

354456, 354431, G03B 7093, G03B 7099, G03B 1505

Patent

active

044563531

ABSTRACT:
A photometry controller is provided for a camera having an electronic flash controlling capability and capable of photometry of reflection from film surface. The controller is operative, whenever the difference in the brightness between a main subject and its background exceeds a given value, to delay the timing when the integration of a photocurrent is to be initiated by a given time interval after the initiation of an exposure triggered by a shutter release in an automatic manner, thus allowing the proportion of the integrated flashlight from the electronic flash relative to natural light to be increased.

REFERENCES:
patent: 4402587 (1983-09-01), Yamasaki

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