Camera systems for providing precise exposures with digital ligh

Details Camera systems for providing precise exposures with digital ligh Camera systems for providing precise exposures with digital ligh

1975-05-27

1977-02-01

Adams, Jr., Russell E.

354 43, 354 50, 354 51, 354 60A, 354 60L, G03B 708

Patent

active

040064840

ABSTRACT:
A camera having a digitally operating structure for determining exposure time according to a digital value corresponding to the light intensity. The camera also has an adjustable diaphragm. The latter is adjusted in accordance with the difference between the digital value used for determining the exposure time and the actual value of the light intensity where the latter does not coincide with the digital value for the exposure time, so as to increase the precision of the exposure.

REFERENCES:
patent: 3765311 (1973-10-01), Nobusawa
patent: 3769887 (1973-11-01), Nobusawa

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