Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large
Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large,Amazon.co.jp: Sigma 17-50mm F2.8 EX DC OS HSM SLR Standard,Sigma 17-50mm f/2.8 EX DC OS HSM (FLD) Autofocus APS-C Lens,Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large,Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large