New Sigma Firmware Boosts AF Speed of 150-600mm F5-6.3 Lenses by 50 Percent

Sigma has released a new firmware for both the 150-600mm f/5-6.3 Sport and Contemporary lenses. The algorithm of this new firmware claims to boost the AF speeds of both lenses by 20 to 50 percent thanks to the optimization of the Hyper Speed Motor drive control. However, the Sigma Optimization Pro Version 1.2 is needed to download the new firmware.

Meanwhile, those who own a Sigma USB Dock can also download the firmware granted that they have the Optimization Pro 1.2. Those who don''''t have a USB Dock can contact Sigma Imaging for details on how to download the firmware. You can download the Sigma Optimization Pro Version 1.2 here. You can also learn more about the Sigma 150-600mm f/5-6.3 DG OS HSM Sport here and the Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary here.