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

Tamron SP AF 17-50 mm f/ 2.8 Di II VC XR LD Aspherical (IF) used:

NameFull namePlaceScoresRank
1DiCTAT0R Perm6lvl.1 (Lens-Learner)
2MIGOPhotos Moscow24lvl.1 (Lens-Learner)
3mixei 28lvl.1 (Lens-Learner)
4Hostich DenisTver68.8lvl.1 (Lens-Learner)
5Crusader3000 YuriyKharkov32.3lvl.1 (Lens-Learner)
6Brian WebbBrian Webb Brian WebbMitchell5.5lvl.1 (Lens-Learner)
7Nat12360 54.55lvl.1 (Lens-Learner)
8vilipino 25lvl.1 (Lens-Learner)