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

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.

Being an f/1.4 lens gets us off to a good start but the easy on-the-eye bokeh continues even as we close the aperture down. Vignetting is well under control as well, another area where fast lenses ...

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

That was until very recently, in July earlier this year third-party lens manufacturer Sigma got the green light to release its 18-50mm f/2.8 DC DN C, and followed up with the more recent 10-18mm f ...

To complicate matters, some European brands (including Hasselblad, Voigtlander, and Zeiss) use a comma rather than a period ...

Since Leica and Sigma also use the L-mount, it means that Panasonic camera owners have additional flexibility. The lineup lacks some common options, like a 300mm f/2.8 lens, but those may not be ...

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 ...