Camera with automatic focus adjustment device

Details Camera with automatic focus adjustment device Camera with automatic focus adjustment device

1978-11-22

1980-03-04

Gellner, Michael L.

Optics: motion pictures

Removable film strip magazine type

352140, 354198, G03B 310

Patent

active

041914600

ABSTRACT:
A camera having a zoom lens with a focusing range changeover device for selectively permitting photography in either one of the ordinary zoom and macro-zoom modes. An automatic focus adjustment is effected by measuring a distance from the camera to an object to be photographed through an optical system outside the zoom lens. When the camera is switched by the changeover device from the ordinary zoom mode to the macro-zoom mode, the automatic focus adjustment device is excluded automatically, or the film winding and shutter cocking mechanism are caused to be simultaneously inoperative. Upon movement of a knob from the autofocusing position, the mechanism is caused to be operative with manual focusing to thereby avoid reduction of image sharpness due to the parallax error which is greatly increased in macro-photography.

REFERENCES:
patent: 3972056 (1976-07-01), Tsujimoto et al.

Affiliated with

Also associated with

Rating

Camera with automatic focus adjustment device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Camera with automatic focus adjustment device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Camera with automatic focus adjustment device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2037517