Tuan, thank you for the response...I fully understand, however, when one goes through all the lens tests on C Perez page you will notice that up to f32, 1/R still is accurate... so what's remaining that you are questioning, f45?
I understand that these "super lenses" can not yield better than diffraction limited resolutions...I don't have a good answer why these few lenses seem to out perform difraction limited lpmm on film?? But as I mentioned, they represented less than 5% of the total bunch tested, so their is still an overwhelming amount of evidence that 1/R is accurate. right?
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