The Sigma USB Dock UD-01 for Sigma SA mount allows users to update firmware on compatible Sigma lenses and customize AF/OS parameters using Sigma Optimization Pro software. It connects via USB to any computer and is compatible with select Sigma Global Vision lenses for Sigma SA mount. The USB Dock is an essential accessory for fine-tuning Sigma lens performance.
Product released: September 1, 2012
Latest firmware version
Version 1.03, released April 18, 2017
What's new in version 1.03
Compatible with SIGMA 100-400mm F5-6.3 DG OS HSM C017.