The Sigma 28-70mm F2.8 DG DN Contemporary is a full-frame standard zoom for mirrorless L-Mount featuring 16 elements in 12 groups and a constant F2.8 aperture in the lightest and most compact F2.8 standard zoom available. It uses a stepping motor for quiet autofocus. The lens belongs to Sigma's Global Vision Contemporary line.
Product released: March 25, 2021
Latest firmware version
Version 1.3, released October 23, 2025
What's new in version 1.3
・We have fixed an issue where autofocus would stop working properly on some cameras.