Central sharpness is excellent from f/1.4 all the way through to f/5. ... with low figures that are a credit to Sigma for such a wide-angle lens. Chromatic aberration (CA) is the lens' inability ...

Sigma has launched two fast-aperture prime lenses for Canon mirrorless cameras; the 16mm F1.4 DC DN Contemporary and 23mm ...

Photographers using an APS-C Canon R system body are finally about to have more options for affordable wide lenses, as Sigma ...

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 ...

Best overall The best lens for astrophotography overall The Sigma 14mm f/1.4 DG DN Art lens is great for astrophotography thanks to its speedy autofocusing, but it can handle hybrid shooting as well.

Sigma has issued a release schedule for 4 new Canon RF mount primes, each boasting a wide f/1.4 aperture and high-speed AF. The first two of the four lenses to be released are the Sigma 30mm f/1.4 ...