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

Tair-15 50 mm f/ 4 used:

NameFull namePlaceScoresRank
1SharkDD sovietphoto_com9518.66lvl.6 (Lens-Master)