Middle Range – Telezoom comparison
Peter Nikolsky has published a comparison test on Sigma 70-200/2.8 vs. Canon 135/2.8 vs. Tamron 28-75/2.8 vs. Tamron 70-300/4-5.6

Popularity: 2%
See also: Canon Lenses | Lens Reviews | Sigma Lenses | Tamron Lenses
Peter Nikolsky has published a comparison test on Sigma 70-200/2.8 vs. Canon 135/2.8 vs. Tamron 28-75/2.8 vs. Tamron 70-300/4-5.6

Popularity: 2%
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