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Until a few years ago even the best digital camera couldn't fix an out-of-focus photo.
几年前即使是最好的数码相机也搞不定一张失焦的照片，但最近情况有了改善。
A start-up called Lytro introduced a solution to this in 2012 when they created a camera that lets you snap pictures and play with the focus afterward.
2012年一家名为Lytro的新兴高科技公司提出了一种新的解决方案，当时他们设计出一款可以使你享受先拍照后调焦的相机。
That neat gadget cost $400 and looked like a mini telescope.
当时这台秀气的小玩意价值400美元，看上去就像个迷你望远镜。
A new version expected this summer will offer additional advances.
今年夏天它的最新款即将与我们见面，或许还会有更多惊喜。
Called the Lytro Illum, it looks like a serious SLR camera and has a 1,600 price tag.
这款名为Lytro Illum的相机造型和高端专业单反相机类似，定价更是达到1600美元。
The Illum still uses a special sensor covered by a matrix of microlenses, which capture the entire light field.
新款Illum仍然使用微透镜阵列为矩阵式排列的特殊感光元件，从而可以捕捉全区的光场摄影领域。
That's an enormous amount of data about the color, brightness and direction of all light rays within a frame.
这可是在成像区域内对于颜色、光强以及所有光线反射等海量的数据信息。
The camera doesn't have a focus mechanism—it comes up with an image based on a massive data analysis.
这台相机并没有传统的焦距—它的成像原理是依据庞大的数据分析。
You can then go in and change its choices.
你可以进入系统并进行改动。
The Illum improves on the original Lytro with a much faster sensor and processor, the same one Samsung uses in its new Galaxy S5 smartphone.
相比第一代，Illum经过改良拥有更快速的传感器和处理器，而同样的元件三星也用在了自家最新的Galaxy S5 智能手机上。
Probably more camera than most of us need.
或许我们对相机的要求远远低于现在这些浩如繁星的高科技设备。
But a lifesaver when you screw up a once-in-a-lifetime photo.
但是当你搞砸了一生中唯一一张珍贵照片时，这台相机或许能够解决你的燃眉之急。
