Film projection lens system for 3-D movies

Details Film projection lens system for 3-D movies Film projection lens system for 3-D movies

1978-05-08

1980-11-25

Sacher, Paul A.

Optics: motion pictures

Removable film strip magazine type

350132, 352 57, 352 60, G02B 2726

Patent

active

042355036

ABSTRACT:
Dual projection lens systems are housed together to project adjacent stereo images onto a screen in stereoscopic position relationship. An ultra-violet filter is positioned on the optical axis of each lens system, and toward the screen a separate polarizer is positioned on each axis to provide polarized images to be seen by the viewer through binocular-polarized eyepieces. Heat sinks are attached to the filters for removing heat.

REFERENCES:
patent: 2845843 (1958-08-01), Lutes
patent: 3893750 (1975-07-01), D'Amato

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