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Tamron 150-600 F5.6-6.3 DI VC versus Sigma 150-500 F5-6.3 APO DG HSM (Part 1)
Tamron Canada was kind enough to let me spend a few days with “Bigron” – the new Tamron 150-600 DI VC. My intention was to use this lens as would the average shooter who purchases…