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 T 50 mm f/ 2.8 used:

NameFull namePlaceScoresRank
1soundteeth 41.9lvl.1 (Lens-Learner)
2Aravier BatizAravier Batiz Santa Monica, California.162.6lvl.2 (Lens-Adept)