Review (Summary): "The 70-200mm F2.8 EX DG Macro HSM II is one of Sigma's latest lenses, which was first announced in December 2007 for Canon, Nikon and Sigma, with a slew of follow-on releases adding compatibility for the remaining SLR mounts (i.e. Four Thirds, Sony and Pentax; however none of these versions are yet shipping). It's a successor to the 70-200mm F2.8 EX DG Macro HSM of February 2006, with a refined optical layout offering improved optical performance, ...
Overall, if you appreciate the limitations of this lens and stick within its practical limits, it provides much of the performance of the camera manufacturers' equivalents at a much lower price. ..."
