Optical zoom lens for camera phones

CNN has reported that a French firm has perfected an optical zoom for camera phones.  Varioptic has developed a liquid lens that can provide a 2.5 times zoom optically, which is much better than digital zooms.  The lens should be available by the end of the year.

By manipulating two fluids in a tiny cylinder of just a centimeter wide, Varioptic has created a lens that can focus. It is small enough to fit in any portable device.

It will add a 2.5 times zoom by putting two liquid lenses behind each other. "Nothing moves, except the liquids, of course," Paillard said.

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