Coincidence and stereoscopic type binocular rangefinder device w

Details Coincidence and stereoscopic type binocular rangefinder device w Coincidence and stereoscopic type binocular rangefinder device w

1998-01-28

1999-08-17

Evans, F. L.

Optics: measuring and testing

Range or remote distance finding

Base line instrument

356 16, G01C 314

Patent

active

059401710

ABSTRACT:
A coincidence and stereoscopic binocular rangefinder is disclosed for measuring distance to sighted targets. The rangefinder preferably has three optical windows for receiving radiation from a sighted target allowing the user to use both his ability to align separated images in one of the eyepieces of the rangefinder, and his ability to stereoscopically sense and compare apparent target depths using both eyepieces of the rangefinder. The rangefinder also includes a novel feature whereby the binocular portion may be easily and conveniently detached from the rangefinder and used separately, and then easily reattached when distance measurement is again desired.

REFERENCES:
patent: 5262838 (1993-11-01), Tocher
patent: 5483336 (1996-01-01), Tocher

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