All About Photographic Lenses.
Specifications, comparison, reviews, MTF-charts for lenses by Canon, Nikon, Sony, Pentax, Olympus, Sigma, Tamron, Carl Zeiss, etc.

Industar-50 50 mm f/ 3.5 (RF) used:

NameFull namePlaceScoresRank
1Radovan RadovanZagreb2219.35lvl.4 (Lens-Pro)
2SenkMMichal Šenk Michal ŠenkBrno68.5lvl.1 (Lens-Learner)
3Per Borjars 60lvl.1 (Lens-Learner)
4Christoph PfeilstuckerChris ChrisPanevėžys126.4lvl.2 (Lens-Adept)