Amazon.com : Sigma 105mm f/2.8 EX DG Medium Telephoto Macro Lens for Nikon SLR Cameras : Camera Lenses : Electronics
Amazon.com : Sigma 105mm F2.8 for Nikon: Sigma 105mm f/2.8 EX DG OS HSM Macro Lens for Nikon AF Cameras + Starter Bundle - International Version : Electronics
Amazon.com : Sigma 70mm F2.8 Art DG Macro for Canon : Electronics
Amazon.com : Sigma 105mm f/2.8 EX DG OS HSM Macro Lens with 3 Filters + Flash + Soft Box + Diffuser Kit for Nikon Digital SLR Cameras : Electronics