The new lens, which is thinner at the bottom than at the top, steers light to a viewer's eyes by switching light-emitting diodes along its bottom edge on and off.
这个新镜头，底部比顶部更薄，通过切换镜头底部边缘的发光二极管的开和关，控制进入到观众的眼睛的光线。
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Just days after space shuttle astronauts repaired the Hubble space Telescope in mid December, the giant lens focused on a star cluster at the edge of the universe - and photographed heaven.
In addition to maintaining idiosyncratic lens quality, the camera has a framing mask that lets you shoot square photos on 35-mm film-or even bleed the image to the edge like its old comrades.