Sigma 8-16mm F4.5-5.6 DC HSM review and ratings.

To see the results for the Canon mount go here:  Sigma 8-16mm F4.5-5.6 DC HSM Canon. For the Nikon mount go here: Sigma 8-16mm F4.5-5.6 DC HSM Nikon mount.Numerous comparisons are available while we wait for the results on the latest Sigma wide-angle lens, (the Sigma 12-24mm F4.5-5.6 EX DG HSM II Canon and Nikon mounts). You will find some comparison suggestions further down.The measurements for this lens launched in 2010 show the improvements that Sigma provided to its wide-angle line when compared to the already reviewed Sigma 12-24mm f4.5-5.6 EX DG.As we had stated in that review,