|Posted: Sun Oct 03, 2021 7:19 am Post subject:
|I don't think so. I don't have the F1.7 versions to compare but both F1.4 versions MD/AF and there is no visible difference.
The optical part is the same on both the F1.7 and F1.4 versions MD III and AF.
Manual focus lenses mainly from Minolta, Pentax, Voigtlaender, Leitz, Topcon and from Russia (too many to be listed here).