Distance glasses (minus lenses) are routinely prescribed. These function by bringing everything closer, up within the range of clear vision.

常规配置远距眼镜（负透镜），作用是拉近各种物体到看得清晰的范围。

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Chris Gampat of the Phoblographer knows his lenses, and brings up a handful of options for replacing the mediocre kit lens that came with your SLR.

摄影博客克里斯•甘帕特(Chris Gampat)了解他的镜头，他介绍了可取代性能一般的单反套装镜头的几种选择。

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One of the most innovative ideas comes from a start-up called CoolEarth Solar, which USES thin-film plastic lenses, blown up like a balloon, to cheaply concentrate the sun's rays.

最具创意的一个想法来自一个叫CoolEarth Solar的新公司，他们使用薄膜塑料镜片，像一个气球一样吹起来，这样就可以很省钱的聚集阳光。

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You'll also need to pony up for lenses that were actually built for a full-frame sensor to really get your money's worth, though our hats off to Nikon for letting you use any old lens you please.

ENGADGET: Nikon D700 review roundup

But this is right there for Miami: a clinching step, a great relief, easy to see, lenses flipped up or down.

WSJ: NBA Finals: Miami Closes In, and It's Personal

Recording the blips also requires sending this gathered-up light through microscope lenses to filter out rival light from the laser itself.

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