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

Tamron 17-28 mm f/ 2.8 Di III RXD used:

NameFull namePlaceScoresRank
1Eric13 378.4lvl.3 (Lens-Competent)
2Dirk SperlingDirk Sperling Dirk SperlingKassel43.6999lvl.1 (Lens-Learner)