Binocular

Details Binocular Binocular

1997-09-18

2000-08-22

Spyrou, Cassandra

Optical: systems and elements

Compound lens system

Telescope

359416, 359417, G02B 2300

Patent

active

061081280

ABSTRACT:
A binocular includes two parallel telescope systems. First and second lens units belong to one of the telescope systems, so that the optical axis of the first lens unit is in line with the optical axis of the second lens unit. The first and second lens units are supported by first and second movable frames, respectively, which are supported by a common guide shaft extending in the direction of the optical axes.

REFERENCES:
patent: 4080042 (1978-03-01), Hornschu et al.
patent: 4673260 (1987-06-01), Steinberg
patent: 5071242 (1991-12-01), Yangigama
patent: 5181139 (1993-01-01), Benitez
patent: 5305141 (1994-04-01), Hotta
patent: 5581399 (1996-12-01), Abe
patent: 5640271 (1997-06-01), Nishitani et al.
patent: 5729384 (1998-03-01), Nishitani et al.
Minolta "Flat Binoculars", Leaflet, together with an English translation, May 1995.
Nikkei Mechanical No. 462, pp. 72-77, issued on Sep. 4, 1995, together with an English translation.

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