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

Samsung NX 50–200 mm f/ 4–5.6 OIS used:

NameFull namePlaceScoresRank
1chesky 8.4lvl.1 (Lens-Learner)