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Message: <blockquote data-quote="Keith Reeder" data-source="post: 1777102" data-attributes="member: 4913">Nice bit of selective interpretation there... The point is that I didn't see any compelling argument to move from the (10 mp) 40D to the (15 mp) 50D purely on the basis of the extra croppability available - it wasn't reason enough in itself to persuade me to move to the 50D. But I happily acknowledged that there could be situations where the extra pixels might help.  In the same way, I wouldn't suggest that anyone should buy a 7D only for the extra pixels either - as I said, it's nice to have, but that's all. And it's still true to say that if a bird is a dot in the frame, AF issues can get in the way of being able to make full use of the extra pixels. But guess what? The 7D's AF is much better than the 40D's, and the Spot AF function allows you to be even more accurate with AF point placement, meaning that you can make use of the increased pixels, more of the time, because the AF can cope far better with dots in the frame.   This is what happens when you actually own and use cameras, y'see: you learn how they work and how to use them to their best advantage.</blockquote>