Autofocus camera

Details Autofocus camera Autofocus camera

1993-12-15

1996-07-23

Perkey, W. B.

G03B 1336

Patent

active

055394930

ABSTRACT:
A camera has a first sensor for receiving an object image formed by a focus detection optical system, and a second sensor having a higher sensitivity than that of the first sensor. During a continuous shooting operation of a continuous shooting unit, a control unit preferentially operates the second sensor, a focus detection calculation unit calculates a defocus amount of a taking optical system on the basis of the output from the second sensor, and a drive unit drives an optical element in accordance with the calculated defocus amount to attain an in-focus state of the taking optical system.

REFERENCES:
patent: 4831403 (1989-05-01), Ishida et al.
patent: 5126777 (1992-06-01), Akashi et al.

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