The Sigma APO 70-200mm F2.8 EX DG OS HSM has side-mounted switches to choose between manual focus and autofocus and to pick the image-stabilization mode.
Read the full review of the Sigma APO 70-200mm F2.8 EX DG OS HSM.
March 29, 2013 3:11 AM PDT
Photo by: Stephen Shankland/CNET
| Caption by: Stephen Shankland
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