Automatic focusing camera

Details Automatic focusing camera Automatic focusing camera

1985-02-15

1987-01-20

Adams, Russell E.

G03B 300

Patent

active

046377050

ABSTRACT:
Disclosed is a camera having a plurality of range finder areas in the field of view upon distance measurement thereof to provide information for focusing adjustment of the photographic lens, wherein the number of the aforesaid rangefinder spots contributing to focal adjustment of the photographic lens is changed by automatically depending upon the object distance, whereby focusing is properly performed by taking into account the number of laterally spaced objects in a target area and the back- or fore-ground by a very simple operation.

REFERENCES:
patent: 4251144 (1981-02-01), Matsuda et al.
patent: 4300823 (1981-11-01), Yamanaka et al.
patent: 4367934 (1983-01-01), Matsui
patent: 4470681 (1984-09-01), Johnson

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