Exposure controlling apparatus for camera

Details Exposure controlling apparatus for camera Exposure controlling apparatus for camera

1989-05-02

1990-11-20

Adams, Russell E.

354286, G03B 708

Patent

active

049722220

ABSTRACT:
An exposure controlling apparatus for a camera, comprises a divided photometry device for performing photometry regarding an object field through a taking lens by dividing the object field into a plurality of areas, a central portion photometry device for performing photometry regarding a central area of the object field through the taking lens, a lens information output device for outputting lens information representative of a quantitive optical feature of the taking lens, a comparison device, including reference value information, for comparing the lens information with the reference value information, and an exposure determination means, responsive to the comparison device, for determining an exposure value regarding the object field in accordance with the divided photometry device when the lens information does not exceed the reference value information, and for determining an exposure value regarding the object field in accordance with the central portion photometry device when the lens information exceeds the reference value information.

REFERENCES:
patent: Re32376 (1987-03-01), Fukuhara et al.
patent: 4636054 (1987-01-01), Saegusa

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