Amazon.com : Tamron SP 17-50mm F/2.8 XR Di-II VC LD,Amazon.co.jp: TAMRON SP AF 17-50mm F2.8 Di II LD Aspherical,SP AF 17-50mm F2.8 XR Di II LD Aspherical [IF] Model A16,71miELV96LL._AC_SY200_QL15_.jpg,Tamron AF 17-50mm f/2.8 SP XR Di II LD Aspherical [IF] VC