EXC+ TAMRON SP 300mm f2.8 LD IF 60B ADAPTALL LENS, w/CHOICE OF MOUNT, SHARP! | eBay
Amazon.com : Tamron AF 70-200mm f/2.8 Di LD IF Macro Lens with Built in Motor for Nikon Digital SLR Cameras (Model A001NII) : Camera Lenses : Electronics
Tamron 300mm 2.8 SP AF mini review -- Canon Lenses in photography-on-the.net forums