Fast zoom lens battle: Canon 17-55 f2.8, Sigma 18-35 f1.8, Tamron 17-50 f2.8 VC, Sigma 17-50 f2.8 OS - YouTube
![Tamron AF 17-50mm f/2.8 SP XR Di II LD Aspherical [IF] VC (Nikon) - Review / Test Report](https://www.opticallimits.com/images/8Reviews/lenses/tamron_1750_28vc_d7000/lens.jpg "Tamron AF 17-50mm f/2.8 SP XR Di II LD Aspherical [IF] VC (Nikon) - Review / Test Report")
Tamron AF 17-50mm f/2.8 SP XR Di II LD Aspherical [IF] VC (Nikon) - Review / Test Report
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