The Sigma USB Dock UD-11 for Canon EF-M mount allows users to update firmware on compatible Sigma Contemporary lenses for Canon EF-M (APS-C mirrorless) cameras using Sigma Optimization Pro software. It connects via USB to any computer and supports fine-tuning of AF parameters. The UD-11 is part of Sigma's dock ecosystem for mirrorless lens customization.
Product released: September 1, 2015
Latest firmware version
Version 1.01, released October 21, 2021
What's new in version 1.01
It improves the operational stability when updating the firmware of the applicable product.