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

Olympus M.Zuiko Digital ED 12-40 mm f/ 2.8 PRO used:

NameFull namePlaceScoresRank
1Paul Henegan Miami456.499lvl.3 (Lens-Competent)
2killthecool Málaga7.6lvl.1 (Lens-Learner)
3Sascha RadovanovicSascha RadovanovicRichterswil168.45lvl.2 (Lens-Adept)