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

Porst 135 mm f/ 2.8 Tele MC auto D used:

NameFull namePlaceScoresRank
1Mika Uolamo 378.6lvl.3 (Lens-Competent)
2Christopher BrittChristopher Britt ChrisGranada/Spain377.6lvl.3 (Lens-Competent)
3MarcelloVelasco Göttingen144.6lvl.2 (Lens-Adept)
4Pentacon SergiSergio Port de Pollença174lvl.2 (Lens-Adept)
5Yoonkers Tallinn32.6lvl.1 (Lens-Learner)