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

Canon EF-S 17-55 mm  f/ 2.8 IS USM used:

NameFull namePlaceScoresRank
1lavstudio 14.25lvl.1 (Lens-Learner)
2kumchenko 3lvl.1 (Lens-Learner)
3Realthing Alexander25.95lvl.1 (Lens-Learner)
4Schmidtkord 8.8lvl.1 (Lens-Learner)
5sauberli 107.8lvl.2 (Lens-Adept)
6Alexey_Barov 104.8lvl.2 (Lens-Adept)
7Giuliano 29.8lvl.1 (Lens-Learner)