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Amazon.com : Tamron AF 17-50mm F/2.8 XR Di-II LD SP Aspherical (IF) Zoom Lens for Konica Minolta and Sony Digital SLR Cameras (Model A16M) : Camera Lenses : Electronics
Tamron 17-50mm f/2.8 VC
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Tamron AF 17-50mm f/2.8 SP XR Di II LD Aspherical [IF] VC (Canon) - Review / Test Report
Tamron SP AF 17-50mm f/2.8 XR Di II LD IF Lens Review