Focal-length adjusting assembly for binoculars

Details Focal-length adjusting assembly for binoculars Focal-length adjusting assembly for binoculars

1989-06-30

1991-07-02

Arnold, Bruce Y.

350552, G02B 2300

Patent

active

050281232

ABSTRACT:
The present invention relates to a focal-length adjusting assembly for a pair of binoculars which adjusts the eyepieces relative to the optics and which can hold the adjusting screw or rod in a click-stopped position which automatically positions the eyepieces in a position for viewing an object at an infinite distance.

REFERENCES:
patent: 4428651 (1984-01-01), Calcutt
patent: 4818086 (1989-04-01), Moore

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