Autofocus camera

Details Autofocus camera Autofocus camera

1988-12-06

1989-12-26

Adams, Russell E.

35419511, G03B 300

Patent

active

048901334

ABSTRACT:
In an autofocus camera, at least one lens of a photographing lens system serves as a focus lens which is reciprocatively moved by a drive unit along a predetermined optical path. A detector detects a position of the focus lens in the lens system. On the basis of the detected position, a calculator calculates a correction amount of a spherical aberration of the lens system. A controller controls the drive unit on the basis of the calculated correction amount so as to cause the drive unit to move the focus lens to a position where the spherical aberration of the lens system is corrected.

REFERENCES:
patent: 4168116 (1979-09-01), Goldberg
patent: 4182563 (1980-01-01), Biber
patent: 4473287 (1984-09-01), Fukuhara
patent: 4547663 (1985-10-01), Kitagishi
patent: 4602861 (1986-07-01), Taniguchi
patent: 4716431 (1987-12-01), Shindo

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