Noise
I guess if you average over, say a 4 by 4 grid of pixels to suppress all the noise in those tiny pixels you'll end up with a decent image (from a 6.75 mega-pixel 'effective' sensor).
I guess if you average over, say a 4 by 4 grid of pixels to suppress all the noise in those tiny pixels you'll end up with a decent image (from a 6.75 mega-pixel 'effective' sensor).