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Autofocus Lens Mimics the Eye

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TRONDHEIM, Norway, Oct. 14, 2011 — Making cell phone cameras work more like the human eye may help overcome limitations in low light sensitivity and focusing. Most cell phones today have built-in cameras, but these are not equipped with autofocus capabilities, as are ordinary photographic cameras. The small aperture of the cameras’ lenses results in an acceptable depth of focus, but also admits limited amounts of light, making indoor photography difficult and the photos often not very sharp. Dag Wang and his colleagues at Sintef have created an autofocus lens that mimics the human eye. (Photo: Geir Mogen) ...Read full article

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    Published: October 2011
    Glossary
    depth of focus
    The range of image distances that corresponds to the range of object distances covered by the depth of field.
    Appleautofocusingcamerascell phone camerasDag Vangdepth of focusEuropehuman eyeImagingindoor photographylenseslight sensitivityNokiaNorwayOpticsResearch & TechnologySINTEF

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