Diffraction Limit - 7D, 40D/50D, 5D Mk II, etc

Started Jul 2, 2010 | Discussions thread
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McQ Regular Member • Posts: 479
Diffraction Limit - 7D, 40D/50D, 5D Mk II, etc

I've received a lot of emails (and several from members in this forum) which have debated the diffraction-limited aperture for the 7D, 5D, etc. Sometimes people claim that a given f-stop is too conservative for a given camera, although just as many have argued the opposite.

In response to all of this (and http://forums.dpreview.com/forums/read.asp?forum=1029&message=35682099 ), I've just added an addendum to my original page on diffraction in photography at:

http://www.cambridgeincolour.com/tutorials/diffraction-photography-2.htm

I'd be interested to hear how well you feel this correlates with the results from your particular camera. I've personally owned a Canon G3, G9, 300D, 10D, 20D, 5D and 5D Mark II, but don't own something like a 7D (which has an amazingly high pixel density for an SLR).

Do the results from this page correlate well with what you're seeing in actual photographs? Any other feedback/critiques/suggestions are also welcome.

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