Optical axis adjustable binoculars

Details Optical axis adjustable binoculars Optical axis adjustable binoculars

1997-04-08

1999-05-11

Spyrou, Cassandra

Optical: systems and elements

Compound lens system

Telescope

359418, G02B23/00

Patent

active

059033878

ABSTRACT:
Binoculars which can adjust the optical axes of optical systems by moving at least one lens groups of objective lens groups and eye piece groups in a plane approximately perpendicular to the optical axes of the lens groups and further independently adjust the optical axes of the optical systems in a linear direction and in the direction approximately perpendicular to the linear direction by moving, one lens groups of the objective lens groups and the eye piece groups on the plane approximately perpendicular to the optical axes of the lens groups approximately in the linear direction and moving the other lens groups of the objective lens groups and the eye piece groups on the plane approximately perpendicular to the optical axes of the lens groups approximately in the linear direction, whereby the optical axis between a pair of the right and left optical systems of the binoculars can be easily adjusted.

REFERENCES:
patent: 2205764 (1940-06-01), Husar
patent: 3170024 (1965-02-01), Dowling et al.
patent: 3914012 (1975-10-01), Boughton
patent: 4886340 (1989-12-01), Kanda
patent: 5206757 (1993-04-01), Cheng et al.
patent: 5572361 (1996-11-01), Kamiya et al.
patent: 5633753 (1997-05-01), Fantone et al.
patent: 5640271 (1997-06-01), Nishitani et al.

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