Camera having program shutter

Details Camera having program shutter Camera having program shutter

1979-05-15

1982-11-09

Perkey, William B.

354 23D, 354 60L, G03B 7087, G03B 7089, G03B 7097, G03B 1718

Patent

active

043581889

ABSTRACT:
In the disclosed camera with a program shutter, exposure control with a desired combination of shutter time and diaphragm value is made possible without variation of the gradient of the program curve, by shifting the program constant a specific amount.

REFERENCES:
patent: 3593629 (1971-07-01), Rentschler
patent: 4081813 (1978-03-01), Kawamura et al.
patent: 4167313 (1979-09-01), Tsunefuji

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