Distance measuring device for camera

Details Distance measuring device for camera Distance measuring device for camera

1987-10-22

1988-08-16

Perkey, W. B.

G03B 300

Patent

active

047647868

ABSTRACT:
A distance measuring device for a camera includes a first distance measuring arrangement adapted for measuring the distance of the middle part of a photographing field; a second distance measuring arrangement for measuring the distances of the middle and peripheral parts of the field; and a switch for selection between the first and second distance measuring arrangements.

REFERENCES:
patent: 4257705 (1981-03-01), Hosoe et al.
patent: 4483602 (1984-11-01), Aoki et al.
patent: 4575211 (1986-03-01), Matsumura et al.

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