Exposure control device for a camera

Details Exposure control device for a camera Exposure control device for a camera

1988-05-19

1990-03-13

Adams, Russell E.

354458, G03B 708

Patent

active

049086510

ABSTRACT:
An exposure control device for a camera having light measuring elements capable of outputting an average light measurement corresponding to the brightness of the entire scene to be photographed, and outputting a spot light measurement corresponding to the brightness of a part of the scene to be photographed, wherein an exposure control is carried out based on the spot or average light measurements. In an exposure control for daylight photography, the exposure control is carried out based on the average light measurement or based on the spot light measurement at the time of an AE lock, and for flash photography, the exposure control is carried out based on the average light measurement regardless of whether the AE lock operation is carried out.

REFERENCES:
patent: 4309090 (1982-01-01), Yamada
patent: 4589756 (1986-05-01), Saegusa
patent: 4589757 (1986-05-01), Maitani et al.
patent: 4746947 (1988-05-01), Nakai

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