Just posted!Our latest lens review, featuring Sigma's 18-200mm F3.5-6.3 DC OS HSM. Completing for the moment our mini-series of APS-C format image-stabilized superzooms, we see how this lens measures up against similar designs which we've also reviewed in the course of the past year. With the likes of Canon and Tamron entering this market in the past few months, how does Sigma's two-year old offering measure up against the competition?

Click here for our lens review of the Sigma 18-200mm F3.5-6.3 DC OS HSM