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

Tokina 500 mm f/ 8 RMC used:

NameFull namePlaceScoresRank
1jnaberle Rangsdorf48.4999lvl.1 (Lens-Learner)
2Dennis Wylezich Berlin33.4lvl.1 (Lens-Learner)