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Read product information for the    SD9 Digital SLR Camera Body - Exclusive Digital X-tra Package - FREE!
SD9 Digital SLR Camera Body - Exclusive Digital X-tra Package - FREE!
$1,099.99

Popularity: Not Rated
The breakthrough Sigma SD9 camera with FOVEON X3 image sensor is the world`s first image-sensor that features three layers of photo detectors. The layers are embedded in silicon to take advantage of the fact that red, green and blue light penetrate silicon to different depths allowing full-color to be measured at every pixel. The layers are positioned to take advantage of the fact that silicon absorbs different colors of light at different depths, so one layer records red, another layer records green and the other layer records blue, This means that for every pixel on a FOVEON X3 image sensor, there`s actually a stack of three photo detectors, forming the first and only full-color capture system.Sigma SD9 powered by FOVEON X3TM image sensors capture red, green and blue light at each and every pixel. All other image sensors feature just one layer of photo detectors, with just one photo detector per pixel. To capture color, pixels are organized in a grid, or mosaic, resembling a three-color checkerboard. Each pixel captures just one color-red, green or blue. Filters let only one wavelength of light (red, green or blue) pass through to any given pixel, allowing it to record only one color. As a result, mosaic sensors capture only 25% of the red and blue light, and just 50% of the green
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