When you use DPReview links to buy products, the site may earn a commission. Sigma has announced the 16-300mm F3.5-6.7 DC OS Contemporary lens, a wide-angle to telephoto, image-stabilized zoom for ...

Sigma recently announced the BF camera, a sleek-looking device with a minimalist approach. In addition, the company ...

This mouthful of a lens is Sigma’s offering in the popular long telephoto range that incorporates a system for overcoming camera shake, this one being called OS (Optical Stabilisation ...

You can't expect the same performance from a superzoom lens like the Sigma 18-300mm F3.5-6.3 DC Macro OS HSM Contemporary ($579) as you can from a prime lens or a shorter high-quality zoom like ...

Sigma AF 100-400mm f/5-6.3 DG DN OS - Performance At 100mm, central sharpness is excellent from f/5 through to f/11, very good at f/16 and fair at f/22. The edges are excellent at f/5 and f/5.6 ...