Prism system for a variable binocular tube

Details Prism system for a variable binocular tube Prism system for a variable binocular tube

1981-10-23

1984-07-31

Henry, Jon W.

G02B 2710

Patent

active

044626592

ABSTRACT:
The invention relates to a prism system for a binocular tube constituted of a beam splitting prism and two eyepiece prisms for directing two object beams which are split and transmitted at a beam splitting face of said beam splitting prism and fused, and are subject to one reflection in one eyepiece prism and to two reflections in the other eyepiece prism. Since the fused beams are composed of portions of both original beams it is feasible to binocularly view both imaged objects.

REFERENCES:
patent: 2317988 (1943-05-01), Forssberg
patent: 3309161 (1967-03-01), Boughton
patent: 4161349 (1979-07-01), Norman

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