100-400mm F5-6.3 DG OS HSM | Contemporary (Canon EF mount) firmware v2.07
Sigma · Released Oct 22, 2020 · First seen by GearPulse Jul 5, 2026
What's in this update
It has optimized the exposure during viewfinder shooting when used in combination with the EOS 90D and the EOS-1D X Mark III.
GearPulse never hosts firmware files — always download from the official source.
Get it from Sigma →