Effective pixels vs no of pixels on the CCD
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It is important to distinguish between the
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actual number of pixels on a CCD, and the
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'effective' number of pixels.
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This is nothing particularly to do with Super CCD. No CCD uses all the pixels in its array. 
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The pixels around the outside of any CCD do not contribute to image capture, but perform 
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valuable functions like white balance and black registration.