Camera lens mimics human eye

Philips Electronics has invented a tiny digital-camera lens that can focus on objects and create sharp pictures in ways similar to the human eye. Unlike high-end digital cameras, the new lens does not require mechanical moving parts because it works by manipulating two fluids in a tiny transparent tube.

Philips said it will build a production line for the 3 millimeter lenses that are aimed at low-cost imaging products, such as digital cameras that fit inside a mobile phone or a home security system. By charging the sides of the tube with a small electric current, one of the two fluids is drawn to the edges while the other fluid fills up the remaining space in the tube. The place where the two fluids meet functions like a lens.

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