Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary (Canon EF mount)
firmware v2.07
Sigma · Released Oct 22, 2020 · First seen Jul 5, 2026
v2.07 is the latest firmware for the Sigma 100-400mm F5-6.3 DG OS HSM / Contemporary (Canon EF mount), released October 22, 2020.
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.
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