Camera apparatus having function for changing condition of relea

Details Camera apparatus having function for changing condition of relea Camera apparatus having function for changing condition of relea

1991-09-03

1993-04-20

Perkey, W. B.

G03B 1738

Patent

active

052047091

ABSTRACT:
A control apparatus for a camera according to this invention causes a camera main body to start a photographing operation when a first signal is output by an operation of a release operating member. When proper photographing conditions cannot be obtained, e.g., in an out-of-focus or low-luminance state or during a camera shake, the control apparatus does not cause the camera main body to start the photographing operation until a second signal is output by an operation of the release operating member. The control apparatus for a camera of this invention compares an electrical signal corresponding to an operation of the release operating member with a determination level corresponding to an operation timing of the camera main body, thereby determining a shutter release timing. The determination level can be changed in accordance with at least one of a luminance of an object to be photographed, a focal length of a photographic lens, and a photographing mode of the camera main body.

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