If you have more light available, you'll want to stop down a bit to improve sharpness across the frame. At 12mm f/5.6 the Sigma's average score jumps to 4,165 lines, with a center that tops 5,000 ...

The newest zoom from Sigma doesn't feature an overly-ambitious aperture, but promises to make up for it with sharpness. Images, and the devices that capture them, are my focus. I've covered cameras at ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 14 years, which has given me a front row seat for the changeover from DSLRs to mirrorless cameras, ...

The Sigma 12-24mm F4 DG HSM Art is a fantastic ultra-wide-angle zoom lens that significantly undercuts the price of its main rivals whilst offering almost comparable image and build quality. Image ...

Ahead of our full review, here are some sample images taken with the Sigma 12-24mm F4 DG HSM Art lens. The Sigma 12-24mm F4 DG HSM Art is a new professional ultra-wide-angle zoom lens with a constant ...