Lens and projection device

The invention discloses a lens and a projection device. The lens comprises a shell, a first lens group, a second lens group and a heat dissipation part. The first lens group is disposed in the shell and is adjacent to a first side of the shell. The second lens group is disposed in the shell and is a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YE XINRONG, LIN JIANHONG, HU SHENGWEN, XU ZIHUAN, CONG ZHIJIE
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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