Sigma’s 50-120mm F2.8 is 'an APS-C legend in the making' — and a tempting full-frame alternative

<p>As Cameras Editor, Tim looks after all camera content at TechRadar. This includes news, reviews, features and buying guides, and covers anything from mirrorless cameras to film and smartphones. He loves observing the advances in camera technology, putting the latest and greatest cameras through their paces, and projecting where cameras could go next.