Device for detecting photographic distance or image magnificatio

Details Device for detecting photographic distance or image magnificatio Device for detecting photographic distance or image magnificatio

1990-07-26

1992-05-12

Adams, Russell E.

354402, G03B 1336

Patent

active

051132095

ABSTRACT:
A device is so constructed as to highly accurately detect the photographic distance or the image magnification data by correcting output data of a position detecting means based on the amount of difference between the basic positions of the position detecting means and a focus detecting means. A photographic lens is attached to the device for detecting the photographic distance and the image magnification, which issues data for correcting the output data of the position detecting means.

REFERENCES:
patent: 4348089 (1982-09-01), Shenk
patent: 4537487 (1985-08-01), Taniguchi et al.
patent: 4650309 (1987-03-01), Ishida et al.
patent: 4743931 (1988-05-01), Matsuzaki et al.
patent: 4743931 (1988-05-01), Matsuzaki et al.
patent: 4772912 (1988-09-01), Ishida et al.

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