Binoculars with variable and fixed focus adjustments

Details Binoculars with variable and fixed focus adjustments Binoculars with variable and fixed focus adjustments

1992-05-19

1993-04-27

Henry, Jon W.

Optical: systems and elements

Compound lens system

Telescope

359418, G02B 706

Patent

active

052067580

ABSTRACT:
A pair of binoculars in which the ocular abridgements are connected through a bridge and can be activated through a center drive. The center drive comprises a rotatable knurled element and a guide pin, whereby the center drive serves customary adjustment of the focus. A Fix-Focus-Adjustment is provided by a knurled ring of the guide pin, whereby conventional focus adjustment is released by way of a knurled ring and the stop is neutralized with a stop ring.

REFERENCES:
patent: 4818086 (1989-08-01), Moore
patent: 5028123 (1991-07-01), Watanabe et al.

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