Canon have lost me . . .

Started Sep 19, 2008 | Discussions thread
Lee Jay Forum Pro • Posts: 52,953
The megapixel myth

fixray wrote:

Even Digic IV can't
overcome the laws of physics. Image information coming from ever
smaller pixels must include noise that will degrade the IQ.

It reduces dynamic range a bit, but it doesn't increase noise unless micro lens aperture fill factor goes down too, which it doesn't. You get more, noisier pixels, but not a noisier image. Of course, you usually don't get a better image either since we already have more pixels than we need and the lenses are having trouble supporting the extra ones, partly due to diffraction.

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