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

Quantaray AF 70-300 mm f/ 4-5.6 LDO Macro used:

NameFull namePlaceScoresRank
1Richphotoworks 43.05lvl.1 (Lens-Learner)
2Quintus 5.9lvl.1 (Lens-Learner)