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

Prakticar 135 mm f/ 2.8 MC used:

NameFull namePlaceScoresRank
1Martin J 102.3lvl.1 (Lens-Learner)
2Adam Cernich Capslik34lvl.1 (Lens-Learner)