A novel aspheric surface testing method using part-compensating lens is presented.

一种很成功的方法是利用一个三合非球面透镜阵列。

youdao

The 8.7-megapixel camera features advanced floating lens technology, dubbed 'optical image stabilization' which helps eliminate blur by compensating for hand movement while photos or videos are being shot.

ENGADGET: AT&T prices Lumia 920 and 8GB HTC 8X at $100, Lumia 820 at $50, Nokias due on Friday