Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary (SIGMA SA-mount)
firmware v1.02
Sigma · Released Sep 8, 2017 · First seen Jul 5, 2026
v1.02 is not the latest firmware for the Sigma 100-400mm F5-6.3 DG OS HSM / Contemporary (SIGMA SA-mount): the current version is v1.04 (January 23, 2020). Go to v1.04
What's in this update
It has corrected the phenomenon that the Manual Override (MO) function will be disabled after adjusting the settings of focus mode switch on SIGMA Optimization Pro (Macintosh ver.).
updatemystuff.com never hosts firmware files — always download from the official source.
Get it from SigmaWatch the 100-400mm F5-6.3 DG OS HSM | Contemporary (SIGMA SA-mount) for updates
Create a free account and get an email the moment Sigma publishes new firmware.
Create account & watchOther versions for this product
See the full firmware history for the 100-400mm F5-6.3 DG OS HSM | Contemporary (SIGMA SA-mount)