Putting water into the lens' chamber turns the normally flat lens a convex hemisphere.

将水注入镜头的腔中时，会把平时平面的镜片变成凸出的半球。

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Initially both detector and lens are flat. Beneath both the membranes of the detector and the simple lens are Chambers filled with water.

最初检测器和透镜都是平的，在检测器薄膜和透镜单片下是装满水的舱室。

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(Injecting water back returns the detector to a flat surface.) Injecting water into the chamber of the lens makes the thin membrane become a convex hemisphere.

(给舱室注射水使检测器表面回复平坦)注射水进入透镜舱室使得薄膜变成凹半球。

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Traditional digital cameras have a flat sensor and a single camera lens.

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Sadly, there's not all that much to see in the cloudy drink, but with the lens part of the outer casing being flat, it should be able to get some interesting underwater clips in clearer waters, should the occasion arise.

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Using a lens with too long a focal length, for instance, makes the image appear flat.

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