Thank you for your patronage to SIGMA products.

We would like to announce the availability of a new firmware update for the SIGMA 150-600mm F5-6.3 DG OS HSM | Sports in Canon and Nikon mount, as well as the SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary in Canon and Nikon mount. This firmware update can be installed using SIGMA Optimization Pro, the dedicated software for the SIGMA USB DOCK.

The latest firmware update improves the AF algorithm of SIGMA 150-600mm F5-6.3 DG OS HSM lenses and further enhances AF speed by optimizing HSM (Hyper Sonic Motor) drive control. It is expected to increase autofocus speed by approximately 20%, to a maximum of 50% *1, during normal shooting as well as when using “Speed Priority” set through SIGMA Optimization Pro.

*1 Depending on shooting conditions, AF speed will change.

For customers who own the SIGMA USB DOCK and applicable products listed below, please update the firmware using SIGMA Optimization Pro.

For customers who do not own a SIGMA USB DOCK, please contact your nearest authorized SIGMA representative for details about updating the firmware free of charge.

Applicable products
・SIGMA 150-600mm F5-6.3 DG OS HSM | Sports – Canon and Nikon mount
・SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary – Canon and Nikon mount

Benefit of this firmware update
It has improved the AF algorithm to further enhance AF speed.

* Please ensure SIGMA Optimization Pro is updated to Version 1.2 before updating the lens firmware.

SIGMA Optimization Pro Download page

We appreciate your continued support for our company and products.