Good god, what an embarassing article. He should yank the whole thing, fix his typos, and re-do all of the photography so that it actually lends him some credibility.
I used to take some of what he says into consideration, after all, he knows a good deal about optics. But these pictures!
...
I've got news for Mr. Puts: he's got some new competition now, namely me. Yes, that's right, as of right now I'm getting into the lens testing business! I've done my own reslution testing of the 85 Sonnar, and have found it to be the sharpest lens I've ever used -- please see the attached picture, which I feel adequatly demonstrates the sharpness delivered by decades of rsearch from the very company who invented the MTF, as well as my own prodigious technique with teh Camera.