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Amazon.com : Tamron SP AF 17-50mm F/2.8 XR LD Di-II Aspherical (IF) Zoom Lens : Camera Lenses : Electronics
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Amazon.com : Tamron SP 17-50mm F/2.8 XR Di-II VC LD Aspherical for Canon APS-C Digital SLR Cameras (6 Year Tamron Limited USA Warranty) : Camera Lenses : Electronics
Tamron SP AF XR LD Aspherical IF Di II 17-50mm F2.8 Lens Reviews - Tamron Lenses - Pentax Lens Review Database
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