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

Soligor Telephoto 250 mm f/ 4.5 used:

NameFull namePlaceScoresRank
1stephen marmaroff 51.2lvl.1 (Lens-Learner)
2drpeters Louisville, KY202.8lvl.2 (Lens-Adept)
3DChiesiDante M. Chiesi DanteBuenos Aires, Morón12.6lvl.1 (Lens-Learner)