In 2004, we covered Varioptic's liquid lens technology, reporting that by 2005 consumers could expect to see liquid lens cameraphones on store shelves. It's 2011, and we still don't have those products. But we're getting closer.

As a refresher, liquid lenses use two liquids--a refractive liquid (an oil), and a conductive, non-refractive liquid--together in a tiny sandwich, with the conductive liquid touching tiny electrodes. A current is applied to the electrodes to pull the liquid to them, and surface tension between the liquids changes the shape of the refractive material, and thus the optical characteristics of the lens package.

New technology from Optilux
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