Program-controlled camera

Details Program-controlled camera Program-controlled camera

1980-03-10

1982-08-24

Gellner, Michael L.

G03B 7087

Patent

active

043458297

ABSTRACT:
The present invention concerns with a so-called program-controlled camera where only one different combination of diaphragm aperture and shutter time value is determined based on a different object brightness. Particularly in the program-controlled camera where the object brightness is measured at the full open aperture and then combined with the preset value of film speed to derive a difference between the full open aperture and the effective diaphragm value, in accordance with which the shutter time is controlled while the diaphragm is adjusted to that effective value, a device is provided for carrying out a program shift in automatic response to the full open aperture value of the interchangeable lens used in the camera.

REFERENCES:
patent: 4204755 (1980-05-01), Toyoda et al.

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