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

Chinon AF 50 mm f /1.7 used:

NameFull namePlaceScoresRank
1mr_vivitar 182.952lvl.2 (Lens-Adept)
2Mika Uolamo 378.6lvl.3 (Lens-Competent)