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

Isco-Göttingen Edixa-Westanar 180 mm f/ 4.5 used:

NameFull namePlaceScoresRank
1bostafan 18.1lvl.1 (Lens-Learner)