Lytro Light-Field Camera Lets You Focus After You Shoot

By PCWorld Video, PCWorld Jun 23, 2011 2:15 PM

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Lytro cameras, which are only in the prototype stage right now, capture the color, intensity, and direction of all the rays of light in a scene, using a complex arrangement of lenses and sensors. The practical effect of all that technology is that you can shoot first and focus later.

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