Reading this discussion made my head spin, so I went back to the first post in it.
Jeff, all of the lenses mentioned here perform so nearly equivalently at the apertures you use that there's no rational basis for choosing among them except weight, price and condition.
FWIW, I have and have used 210/6.8 Boyer Beryl (Dagor clone), 210/7.7 Beryl S (normal Beryl with aperture limited to f/7.7), Fuji 210/5.6 W and 210/9 Konica Hexanon GR-II. The Fuji is quite good but too heavy for me. The Konica is very sharp but a bit flary, also could be lighter. The two Boyers are sharp enough and have very good contrast. Since the f/6.8's cells go in a #1 and the f/7.7's don't go in any shutter known, I've standardized on the f/6.8. At f/16 and f/22, the apertures I use most, flare aside all of these lenses equally good.
I understand your desire to have the very best, think it is misguided. Good enough is good enough, and all of the lenses mentioned in this discussion, including mine, are at least good enough.
Many people on this forum obsess about having the best. I'm was guilty of this but have given it up. I was nuts, think my fellow obsessives are too. Please read:
https://www.largeformatphotography.i...ic-bullet.html
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