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

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 ...

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

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.

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 ...

Both lenses offer popular focal lengths with fast f/1.4 apertures, ideal for working in low light and for creating shallow depth of field portraits – I personally relied on a 35mm f/1.4 Sigma ...

with four more of Sigma’s Contemporary lenses slated to drop later this year: the 16mm f/1.4 DC DN, 23mm f/1.4 DC DN, 30mm f/1.4 DC DN and 56mm f/1.4 DC DN. You might have noted that the one ...