Focus adjusting device for camera

Details Focus adjusting device for camera Focus adjusting device for camera

1980-10-03

1981-12-29

Griffin, Donald A.

350255, G03B 1302, G02B 702

Patent

active

043079504

ABSTRACT:
The present invention is to provide a focus adjusting device for a camera, particularly a focus adjusting device capable of fine adjustment of the position of the focal plane with ease.
One of the characteristic features of the present invention is that the lens barrel is provided with an adjusting member such as a screw in screw-threaded relation thereto, so that all that is necessary to effect a fine adjustment of the initial position of the lens barrel relative to the camera body is to rotate the screw to adjust the length of that portion of the screw which projects outwardly of the lens barrel.

REFERENCES:
patent: 1848402 (1932-03-01), Wollensak
patent: 3897998 (1975-08-01), Someya et al.
patent: 3914026 (1975-10-01), Kanno

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