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

Carl Zeiss Apo Sonnar 135 mm f/ 2 Z used:

NameFull namePlaceScoresRank
1Gianluca 19.9lvl.1 (Lens-Learner)
2dgrmkrp 211.501lvl.2 (Lens-Adept)