Binocular provided with focus and zoom adjusting arrangements

Details Binocular provided with focus and zoom adjusting arrangements Binocular provided with focus and zoom adjusting arrangements

1978-02-17

1979-10-23

Henry, Jon W.

350 36, G02B 706, G02B 710

Patent

active

041718658

ABSTRACT:
The present invention relates to focus and zoom adjusting levers in a binocular which are mounted in parallel with each other on a center shaft between a left side housing and a right side housing of the binocular body. By turning alternately the above two levers each of which is of a wing shape, a focus and zoom adjustment can be made smoothly and speedily, and a correct object is obtainable.

REFERENCES:
patent: 937834 (1909-10-01), Martin et al.
patent: 2988955 (1961-06-01), Goto et al.
patent: 2988974 (1961-06-01), Clifford et al.
patent: 3069972 (1962-12-01), Tibbetts et al.
patent: 4066329 (1978-01-01), Van Exel

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