Binocular reflecting telescope

Details Binocular reflecting telescope Binocular reflecting telescope

1993-12-09

1996-07-16

Nguyen, Thong Q.

Optical: systems and elements

Compound lens system

Telescope

359364, 359366, 359399, G02B 2300, G02B 1700

Patent

active

055372490

ABSTRACT:
A binocular reflecting telescope having two Cassegrain or Schmidt-Cassegrain reflecting mirror units having the same aperture and the same focal length; each unit includes a concave primary mirror and a convex secondary mirror provided opposite to each other along each of two parallel first optical axes; the telescope also having two erect real image forming devices each including a combination of place mirrors for guiding a ray of light out of the first optical axis from a point between the primary mirror and the secondary mirror. Two eyepiece units are provided and are rotatable about the optical axes of the light rays guided out of the two erect real image forming devices.

REFERENCES:
patent: 3298770 (1967-01-01), Rosendahl
patent: 4025783 (1977-05-01), Fletcher et al.
patent: 4395095 (1983-07-01), Horton
patent: 5113284 (1992-05-01), Stuhliuper
Operated Engineering, vol. 11, No. 2, "A Large Law Hrple Arrow Telescope (MMT) Project"Taelnel et al, pp. 33-37, Mar. 1972.

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