The Sigma USB Dock UD-11 for L-mount allows users to update firmware on compatible Sigma lenses for L-mount mirrorless cameras from Sigma, Leica, and Panasonic using Sigma Optimization Pro software. It connects via USB to any computer and supports AF parameter customization. The UD-11 is part of Sigma's dock ecosystem for L-mount lens maintenance.
Product released: May 1, 2019
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.