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A photosite (photo/photon sensing site), as it is often termed around the web, refers to a sensor pixel in this context. Depending on the design of the sensor, a photosite or pixel may contain the necessary circuitry for a single colored pixel, or it may contain the necessary circuitry for multiple colors of pixels. When it comes to CMOS vs. CCD, they ...

Capturing three colours per photosites is in principle far superior to capturing one colour and interpolation. So much so that a three colour sensor will produce an image with equivalent detail to a one colour sensor with twice as many total pixels. Why not three times as many? Well the colour channels in an image are not independent but correlated with ...