Automatic focusing camera

Details Automatic focusing camera Automatic focusing camera

1985-02-12

1987-08-25

Adams, Russell E.

354402, G03B 300

Patent

active

046889191

ABSTRACT:
Disclosed is an automatic focusing camera capable of measuring a wide range of distances by setting a plurality of focus targets in the photographic picture plane, so designed that when the photographic picture angle changes due to changes in the focal length of the photographic lens the distance is measured by focus targets whose numbers corresponds to the photographic picture angles, to avoid mismeasurement of the distance.

REFERENCES:
patent: 4157217 (1979-06-01), Isono
patent: 4191460 (1980-03-01), Fujiki
patent: 4351590 (1982-09-01), Hirata et al.
patent: 4531822 (1985-07-01), Shenk

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