Sigma 50mm F1.2 DG DN Art Review

The Sigma 50mm F1.2 DG DN Art is a very fast standard prime lens for Sony, Leica, Panasonic and Sigma full-frame mirrorless cameras. Retailing for £1300 / $1400, read our Sigma 50mm F1.2 review to find out if it's the ultimate "fast fifty" lens...