Optical lens

The invention provides an optical lens, which comprises seven lenses in total, and sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with negative focal...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG KEMIN, CHEN WEIJIAN, LONG LEI
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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