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

Sigma APO 150-500 mm f/ 5-6.3 DG OS HSM used:

NameFull namePlaceScoresRank
1Javier KmMarquerie JavierMadrid25.75lvl.1 (Lens-Learner)
2Michel Noach 17.8lvl.1 (Lens-Learner)
3Roy BraathenRoy Braathen FotoulvenØksfjord8.5lvl.1 (Lens-Learner)
4Nat12360 54.55lvl.1 (Lens-Learner)
5arborius 65.3lvl.1 (Lens-Learner)
6Rene Reff 42.0999lvl.1 (Lens-Learner)
7dgrmkrp 211.501lvl.2 (Lens-Adept)
8Bilal 21.7lvl.1 (Lens-Learner)