Again, very prone to front lens scratches and also fogging if bought from the original owner, see fogging.

同样是前片容易擦伤，如果是从第一用家手上买来同样会花。

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Of course, there were a lot of problems that were necessary to solve. For example, how to deal with misting or freezing of a front lens?

当然还有很多问题需要解决，例如，怎样避免前端透镜的模糊和冻结？

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The daguerreotype was a unique image that reproduced what was in front of the camera lens in minute, unselective detail and could not be duplicated.

达盖尔银版是一种独特的图像，它可以再现相机镜头前微小的、无选择性的细节，而且是不可复制的。

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Nearly everyone offers a high-MP camera, many with both rear and front facing lens, voice recognition, multiple-processors, music, video, and potential payment mechanisms through incorporation of Near Field Communication chips.

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Here on Earth, we see the star get brighter as the lens crosses in front, and then fade as the lens moves away.

BBC: Artist's concept of a distant world (BBC)

To safeguard close-range installations, the W1080ST features an "Auto Blank" mode that blocks light output when objects are detected in front of the lens.

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