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

PZO Amar S 105mm f/4.5 used:

NameFull namePlaceScoresRank
1Christopher BrittChristopher Britt ChrisGranada/Spain377.6lvl.3 (Lens-Competent)
2sojuzZbyszek PietrasWarszawa56.5999lvl.1 (Lens-Learner)