Sigma 8-16mm f/4.5-5.6 DC HSM LensPosted by Digital Photography Live Date November 17, 2012 Product Summary Model name: Sigma 8-16mm f/4.5-5.6 DC HSM Focus Type: Autofocus / Manual Format : APS-C / Crop Sensor Mounts: Canon | Nikon | Sigma Purchase options: Amazon | Adorama | B&H Overview For...