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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