File:Tamron AF 70-300mm 4-5.6 Di SP VC USD - 2015-08-28 (4)-HDR.jpg - Wikimedia Commons
Amazon.com : Tamron Auto Focus 70-300mm f/4.0-5.6 Di LD Macro Zoom Lens with Built In Motor for Nikon Digital SLR (Model A17NII) : Digital Slr Camera Lenses : Electronics
Tamron 300mm f5.6 SP 54B
The Tamron 70-300mm f/4.5-6.3 vs Sony 70-300mm f/4.5-5.6 G OSS : Review & Comparison - Light And Matter
Amazon.com : Tamron AF 70-300mm f/4.0-5.6 SP Di VC USD XLD for Canon Digital SLR Cameras : Camera Lenses : Electronics
Amazon.com : Tamron Auto Focus 70-300mm f/4.0-5.6 Di LD Macro Zoom Lens with Built In Motor for Nikon Digital SLR (Model A17NII) : Digital Slr Camera Lenses : Electronics