Autofocus camera having multipoint focus detecting system

Details Autofocus camera having multipoint focus detecting system Autofocus camera having multipoint focus detecting system

2005-02-22

2005-02-22

Perkey, W. B. (Department: 2851)

Photography

Having variable focal length of camera objective

Having indicator

C396S121000, C396S147000

Reexamination Certificate

active

06859619

ABSTRACT:
A multipoint autofocus camera, providing a plurality of focus-measuring points from which a focus-measuring point is selectable, includes a viewfinder which can visually indicate each of the plurality of focus-measuring points on a picture plane by illumination light emitted from a light source, a focal length detector for detecting a focal length of a photographing lens, a light source driver for selectively driving the light source corresponding to the plurality of focus-measuring points, and a focus-measuring-point controller for controlling an operation of the light source driver to change at least one of the number and an indication pattern of the plurality of focus-measuring points which are to be indicated on the finder view in accordance with the focal length detected by the focal length detector.

REFERENCES:
patent: 5473403 (1995-12-01), Suda et al.
patent: 6240253 (2001-05-01), Yamaguchi et al.
patent: 6584284 (2003-06-01), Odaka
patent: 6313837 (1994-11-01), None

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