Amazon.com : Tamron SP Auto Focus 17-50mm F/2.8 XR Di-II LD SP Aspherical (IF) Zoom Lens with Built In Motor for Nikon Digital SLR : Camera Lenses : Electronics
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Amazon.com : Tamron SP 17-50mm F/2.8 XR Di-II VC LD Aspherical for Nikon APS-C Digital SLR Cameras (6 Year Tamron Limited USA Warranty) : Camera Lenses : Electronics
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