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
Last checked for updates: Oct 31, 2026 17:35 UTC
What's new in version 1.01
It improves the operational stability when updating the firmware of the applicable product.
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. It was originally released on May 1, 2019.
What is the latest firmware version of Sigma USB Dock UD-11 (L-Mount)?
The latest firmware version of Sigma USB Dock UD-11 (L-Mount) is 1.01. It was released on October 21, 2021.
What changed in Sigma USB Dock UD-11 (L-Mount) firmware version 1.01?
Sigma USB Dock UD-11 (L-Mount) firmware version 1.01 includes the following changes: It improves the operational stability when updating the firmware of the applicable product.
Where can I download the latest Sigma USB Dock UD-11 (L-Mount) firmware?
Details and download instructions for the latest Sigma USB Dock UD-11 (L-Mount) firmware (version 1.01) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/usb-dock-ud11/?mount=l-mount