I just saw 5dmk3 and Nikon D800 samples on their official sites and I'm...

Started Mar 6, 2012 | Discussions thread
John Sheehy Forum Pro • Posts: 20,663
Re: Have you seen this one?

henry wl wrote:

http://www.cambridgeincolour.com/tutorials/diffraction-photography.htm

I read and started criticising that page many years ago. It leaves the false impression that higher pixel density is counter-productive or just plain worthless, but nothing can be further from the truth; the truth is easily observed by comparing pixel densities supposedly "diffraction-limited" at f/8 or f/11 with the same f-stops on P&S sensors with pixels 20x denser or more.

Here's one truth: At f/7.9, my Casio superzoom with RAW has aliased capture with its 1.5 micron pixels, in the blue channel. How do you explain that? How do you explain the fact that in full color mode, it will get fairly high pixel contrast?

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John

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