Amazon.com : Tamron SP AF17-50mm F/2.8 Di II LD Aspherical
Amazon.com : Tamron SP AF17-50mm F/2.8 Di II LD Aspherical,In search of the perfect walkabout lens for Nikon DX - In,Tamron 17-50mm f/2.8 (5-Pin) Aspherical LD XR Di II SP IF,71ZgEHsXxzL._AC_SY200_QL15_.jpg,Amazon.com : Tokina at-X 535 PRO DX, Telephoto Zoom, 50