Sigma has uncovered an autofocus glitch on some serial numbers of the Sigma 24-70mm f/2.8 DG DN II Art lens. On Thursday, December 19, Sigma Global issued a statement ...

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.

UPDATE: Sigma has confirmed that only a small number of lenses are affected, and that a firmware update will provide a suitable performance improvement. Sigma has uncovered an autofocus glitch on some ...

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 ...

Going one better than trinity zooms, there was also the announcement of a groundbreaking Sigma 28-45mm f/1.8 DG DN | Art lens. Sure the zoom range is comparatively limited, but it’s more than an ...

nbsp; In case you’re not familiar with Sigma’s Art series primes, they’re the company’s high-speed f/1.4 models that are designed to compete with the very best lenses from Canon and Nikon, and can ...

They’ve often got a whole bunch of electronics built in as well. [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.

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 ...