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

Sony AF 70-400 mm  f/ 4-5.6 used:

NameFull namePlaceScoresRank
1Carlos Aversa 19.6lvl.1 (Lens-Learner)
2Michael Ransby 219.5lvl.2 (Lens-Adept)