Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary (Nikon F mount)
firmware v1.01
Sigma · Released Jun 23, 2017 · First seen Jul 5, 2026
v1.01 is not the latest firmware for the Sigma 100-400mm F5-6.3 DG OS HSM / Contemporary (Nikon F mount): the current version is v1.03 (April 18, 2019). Go to v1.03
What's in this update
It has improved the AF performance.
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