Bifocal infrared night vision lens

The invention relates to an optical system design of an infrared night vision lens, in particular to a bifocal infrared night vision lens, which is characterized in that four front lenses form an afocal system, and three rear lenses are combined with the front lenses to form a night vision imaging s...

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Bibliographische Detailangaben

1. Verfasser:	XU ANCHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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