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

Samsung NX 20 mm f/ 2.8 iFn used:

NameFull namePlaceScoresRank
1Martin Hinge Ballerup19.5lvl.1 (Lens-Learner)