For several years, Sigma’s lenses have leaned into a sector of image quality that we tend to see too much of. We can blame the world of Photoshop and excessive retouching for that. It’s why so many ...

Sigma has revealed a range of lens filters which use a new type of crystallized glass to offer increased protection, while also being thinner and lighter than previous models. The WR Ceramic Protector ...

The debate over using a protective lens filter will forever rage amongst photo enthusiasts, but Sigma’s new Weather Resistant Ceramic Protector Filter may be enough to convert some naked-lens purists ...