Amazon.com : Tamron SP 150-600mm F/5-6.3 Di VC USD G2 for Canon Digital SLR Cameras : Electronics
Tamron 150-600mm f/5-6.3 Di VC USD Lens Review
Amazon.com : Tamron A011S SP 150-600mm f/5-6.3 Di VC USD Super Telephoto Zoom Lens for Sony Alpha and Maxxum Cameras - International Version (No Warranty) : Electronics
Tamron 150-600 mm lens - field test and review - The Canadian Nature Photographer