Camera

Details Camera Camera

1981-05-26

1984-02-14

Gellner, Michael L.

G03B 7087

Patent

active

044312873

ABSTRACT:
This invention relates to cameras capable of making exposures in shutter priority, or manual and program modes. Since in the program mode the shutter time and diaphragm aperture are unequivocally determined, the computed value of shutter time is liable to exceed a limit such that effects of shaking of the operator's hand become noticeable. The present invention solves this problem by making use of the shutter dial used for selection of the shutter priority or manual mode to set the limit value. When a longer shutter time than this limit is derived, the diaphragm aperture is readjusted in accordance with this limit of shutter time and the object brightness, while the shutter is adjusted to that limit value.

REFERENCES:
patent: 4011569 (1977-03-01), Mashimo et al.
patent: 4165929 (1979-08-01), Ito et al.

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