Upload & Sell: Off
From the sounds of it, LeifG has a much better understanding of diffraction than some of those pseudo-experts you referenced in your earlier post...
Knock yourself out, 'molson'. Go stock up on those bargain, circa 1990 AFD lenses for your 56MP sensor. It's Christmas, after all!
I'm sure that anyone here proclaiming himself as the expert much be taken at his/her word over known, established references just because they're FM members.