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Dad Photographer
Roland: To attain max sharpness with an SLR lens, I always used a heavy tripod and used a cable release.
I guess you have never shot with the f1.4 / 50mm Planar for the Contax SLR system 😀
Pentax SMC-M f1.7 50mm. A true knockout optically, VERY nice mechanically, very compact, bordering on pancake. ONLY case against it: six aperture blades - hexagonal highlights in OOF areas.
Most F1.4 SLR lenses did better at F2 then the "slower F1.7, F1.8, and F2" siblings did at F2.
Absolutely, but given that they are one full stop off the extreme, while the others are a half stop to none off theirs, this is a somewhat skewed comparison. For a fair comparison, f/2.8 or f/4 would be a better benchmarking value.
Canon FD 50/1.4 I prefer the earlier S.S.C. Breech Lock versions - most don't so they're cheaper yet. Excellent lens.