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

Canon FL M 50 mm f/ 3.5 used:

NameFull namePlaceScoresRank
1ProfHankDHank Dietz HankLexington200.2lvl.2 (Lens-Adept)
2Nitakri 32lvl.1 (Lens-Learner)