Stereoscopic visual unit

Details Stereoscopic visual unit Stereoscopic visual unit

1999-05-03

2000-11-21

Spyrou, Cassandra

Optical: systems and elements

Stereoscopic

Stereo-viewers

359474, 359477, 359408, 359413, 359817, G02B 2722, G02B 2300, G02B 702

Patent

active

06151165&

ABSTRACT:
The present invention is usable as a stereoscopic visual unit capable of obtaining fine stereoscopic effects and also usable as binoculars, by provided with a first housing 11 that has a pair of convex lenses 12 and 13 and disposed at a specified space and having mutually almost parallel optical axes; and a second housing 20 that has a supporting part 25 supported swingable to the first housing for keeping a pair of pictures to be stereoscopically viewed on the optical axis of each convex lens in its first swing position, and a pair of concave lenses 26 and 27 disposed on the optical axis of each convex lens, a specified distance apart from each convex lens in its second swing position.

REFERENCES:
patent: 5181139 (1993-01-01), Benitze
patent: 5282086 (1994-01-01), Goldstein

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