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

Sigma 14-24 mm f/ 2.8 DG DN Art used:

NameFull namePlaceScoresRank
1Eric13 378.1lvl.3 (Lens-Competent)
2Andreas Lindemann Northern Hessen19636.2lvl.7 (Lens-Guru)