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

Access 28-70 mm f/ 2.8-4.2 P-MC Macro used:

NameFull namePlaceScoresRank
1edspad 58.3lvl.1 (Lens-Learner)
2nparsons13 24.7lvl.1 (Lens-Learner)