Dear USB Dock Users

Thank you for purchasing and using our products.

We'd like to announce that we are going to introduce the download service of SIGMA Optimization Pro Ver. 1.1, the dedicated software for the SIGMA USB DOCK, in the end of September.

Even after the update of lens firmware, this updated version of software will allow customers to secure all the settings and adjustment values of AF and OS that are customized via the USB DOCK.

As SIGMA USB DOCK Users, please be sure to update to SIGMA Optimization Pro Ver1.1 from the following page, before operating any lens firmware updates.

Download Sigma Optimization Pro Ver 1.1 here. 

Moreover, at the same time the new version of SIGMA Optimization Pro becomes available, we are planning to update lens firmware for 35mm F1.4 DG HSM A012 Canon mount as well as 17-70mm F2.8-4 DC MACRO OS HSM C013 Sigma, Canon and Nikon mounts.

We appreciate your continuing support for our company and products.