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All About Photographic Lenses.
Specifications, comparison, reviews,
MTF-charts for lenses by Canon,
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Canon EF 100-300 mm f/ 4.5-5.6 USM used:

NameFull namePlaceScoresRank
1EOS Monster 31.3lvl.1 (Lens-Learner)
2wjf42 55.3lvl.1 (Lens-Learner)