Sigma 70-300mm F4-5.6 DL Macro Super for Canon old film EF "Attention" [1022936] | eBay
Sigma releases 70-300mm F4-5.6 DG OS: Digital Photography Review
Amazon.com : Sigma 70-300mm F/4-5.6 DG OS SLD Super Multi-Layer Coated Telephoto Lens for Canon AF Mount Digital SLR Cameras : Camera Lenses : Electronics