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

Carl Zeiss Jena Sonnar T 50 mm f/ 1.5 used:

NameFull namePlaceScoresRank
1Francisco Nunez Pachuca145.5lvl.2 (Lens-Adept)
2Kostas 135.1lvl.2 (Lens-Adept)
3Gera Gonzalez 15.9lvl.1 (Lens-Learner)