Meanwhile, after waiting in the wings for six whole years, Sigma finally released its first-ever lens for the Canon EOS R system ... Sigma 28-45mm f/1.8 DG DN | Art lens. Sure the zoom range ...

[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 ...

The Sigma 35mm F/1.4 DG DN Art is a lovely lens to use, delivers the goods and is well worth the reasonable asking price. Highly Recommended – Superb and even sharpness even at open aperture ...

Sigma has just announced the pricing and release dates for four new prime lenses for Canon’s EOS R mirrorless cameras. The 16mm, 23mm, 30mm, and 56 mm F1.4 DC DN Contemporary lenses were announced ...

Photographers using an APS-C Canon R system body are finally about to have more options for affordable wide lenses, as Sigma continues its rollout of RF-S mount optics. The Sigma 16mm f/1.4 DC DN ...

If it is sharpness we seek, then this is our lens. Centrally, sharpness is excellent from f/1.4 right through to f/11, and still very good at f/16. The edges are exactly the same, excellent from f ...