Automatic focus control device for objective lens exchangeable c

Details Automatic focus control device for objective lens exchangeable c Automatic focus control device for objective lens exchangeable c

1979-04-20

1981-06-23

Hix, L. T.

354195, G03B 310

Patent

active

042747201

ABSTRACT:
In an automatic focusing system for a camera having an exchangeable lens, the camera body includes a control mechanism for controlling the focus of the exchangeable lens in accordance with an output of a photoelectric focus or distance detecting element. The control mechanism is interlocked by an intermediate elongated member with a lens displacing mechanism in the exchangeable lens, with the intermediate member extending within an aperture of the lens mount. The exchangeable lens may be of the type wherein a rear lens group is moveable for focusing.

REFERENCES:
patent: 3683777 (1972-08-01), Miyagawa
patent: 3798660 (1974-03-01), Hasigawa et al.
patent: 3827064 (1974-07-01), Kiyohara et al.
patent: 3914026 (1975-10-01), Kanno
patent: 3940777 (1976-02-01), Komine
patent: 3972056 (1976-07-01), Tsujimoto et al.
patent: 4092656 (1978-05-01), Lang et al.
patent: 4146317 (1979-03-01), Date et al.

Affiliated with

Also associated with

Rating

Automatic focus control device for objective lens exchangeable c does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Automatic focus control device for objective lens exchangeable c, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic focus control device for objective lens exchangeable c will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2204854