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

Industar-23 110 mm f/ 4.5 used:

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