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 ...
The Sigma is well made, delivers high quality and handles beautifully, so is high on the list of possibilities if we are looking for a high-quality full-frame 24mm lens, and is Highly Recommended.
Central sharpness is excellent at f/1.4 and f/2, outstanding from f/2.8 to f/5.6, excellent at f/8 and very good at f/11 and f/16. The edges are fair at f/1.4, very good from f/2 to f/8 and good ...