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

Canon 400 mm f/ 4.5 I used:

NameFull namePlaceScoresRank
1Philippe DemeurPhilippe Demeur PhilippeBanchory19.3lvl.1 (Lens-Learner)