Camera

Details Camera Camera

1999-08-30

2000-12-19

Perkey, W. B.

Photography

With exposure objective focusing means, focusing aid, or...

Plural focusing or rangefinding areas

396147, 396234, 396290, G03B 708, G03B 1336, G03B 1718

Patent

active

061636533

ABSTRACT:
A camera includes a focus detecting device having a plurality of focus detecting points and capable of selecting a particular focus detecting point from among the plurality of focus detecting points, and a light measuring device having a plurality of light measuring areas. When performing a plurality of times of light measuring operations, the light measuring device converts, into a particular measured light value by using a preset calculating operation, a plurality of measured light values each of which is obtained at each time of light measuring operation in a light measuring area set correspondingly with selection of a focus detecting point in the focus detecting device.

REFERENCES:
patent: 4309091 (1982-01-01), Fukuhara et al.
patent: 4618238 (1986-10-01), Maitani et al.
patent: 4748468 (1988-05-01), Fujino et al.
patent: 4974007 (1990-11-01), Yoshida
patent: 5189460 (1993-02-01), Hayakawa
patent: 5659814 (1997-08-01), Matsukawa et al.
patent: 5745810 (1998-04-01), Matsushima
patent: 5930533 (1999-07-01), Yamamoto

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