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

Canon EF 400 mm f/ 5.6 L USM used:

NameFull namePlaceScoresRank
1Javier KmMarquerie JavierMadrid25.75lvl.1 (Lens-Learner)