28-70mm F2.8 DG DN | Contemporary (L-Mount) firmware v1.3
Sigma · Released Oct 23, 2025 · First seen by GearPulse Jul 5, 2026
What's in this update
・We have fixed an issue where autofocus would stop working properly on some cameras.
GearPulse never hosts firmware files — always download from the official source.
Get it from Sigma →