Sigma 28-70mm F2.8 DG DN Review
(Photography Blog)

Sigma are taking direct aim at Tamron with the launch of the new 28-70mm F2.8 DG DN Contemporary lens, which takes the title of being the smallest, lightest standard zoom for Sony E-Mount and L-Mount cameras. We've put this new lens through its paces on the equally new Sony Alpha 1, so read our in-depth Sigma 28-70mm F2.8 DG DN review to find out how it performed...