With large divergence Angle LED light efficiently converges at the optical fiber receiving end demand, an ellipsoid and focusing lens combination optical system design method is proposed.

针对将大发散角LED的光高效会聚到光纤接收端面的需求，提出了一种椭球面和聚光透镜组合光学系统设计的思路。

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Packed with advanced imaging technology, the HTC TITAN II features a 16-megapixel camera with a wide-angle lens, autofocus, dual LED flash, red eye reduction, image stabilization, a backside-illuminated sensor and a physical camera button, offering a viable replacement for digital point-and-shoot cameras.

ENGADGET: HTC Titan II coming to AT&T, finally delivers LTE to Mango lovers