Four lenses and a Spatial Light Modulator allow each pixel to have a different focal length in research from Carnegie Mellon ...
For more than a hundred years, cameras have shared a frustrating limitation with human eyes: they can only focus on one ...
Adjusting aperture alone can only do so much to get sharp images with a wide depth of field — sometimes, getting both point A and point B tack sharp in one shot is about as possible as a flying pig.
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