USB DOCK UD-01 (Sony A-mount) firmware v1.01
Sigma · Released Dec 19, 2014 · First seen by GearPulse Jul 5, 2026
What's in this update
Compatible with SIGMA 50mm F1.4 DG HSM A014.
GearPulse never hosts firmware files — always download from the official source.
Get it from Sigma →