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

One FLD element and three SLD elements are used to reduce color fringing and chromatic aberrations throughout the zoom range Super Multi-Coating also helps to suppress flare and ghosting for improved ...

Every other month, we come across patents that could result in the development of a new lens. Some are created for research purposes, while others tend to result in real lenses much later.

[Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...

Canon is reissuing an old lens for the RF mount, Sigma's Supertele is finally making an appearance, and "Content Credentials" are available to almost everyone.