Thank you for purchasing and using our products.

The SIGMA Corporation is pleased to announce the firmware update for SIGMA USB DOCK for SIGMA, NIKON and CANON.

This firmware update enables the SIGMA USB DOCK to become compatible with the 100-400mm F5-6.3 DG OS HSM | Contemporary which is planned to be available in April.

For customers who own the SIGMA USB DOCK for SIGMA, NIKON and CANON, please update the firmware via SIGMA Optimization Pro.

Applicable product
SIGMA USB DOCK for SIGMA, NIKON and CANON

Benefit of this firmware update
It has become compatible with the 100-400mm F5-6.3 DG OS HSM | Contemporary lens.

Before updating the firmware of the SIGMA USB DOCK for SIGMA, NIKON and CANON, please ensure SIGMA Optimization Pro has been updated to Ver1.4.1 or later for Windows, or Ver1.4.0 or later for Macintosh from the following download page.

SIGMA Optimization Pro Download page
http://www.sigma-global.com/en/download/lenses/sigma-optimization-pro/

For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
http://www.sigma-global.com/en/about/world-network/

We appreciate your continued support for our company and products.