Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary (Canon EF mount) firmware `v2.03`

Sigma · Released Sep 10, 2018 · First seen Jul 5, 2026

v2.03 is not the latest firmware for the Sigma 100-400mm F5-6.3 DG OS HSM / Contemporary (Canon EF mount): the current version is v2.07 (October 22, 2020). Go to v2.07

What's in this update

It has improved the AF speed in certain combinations with some cameras.

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Other versions for this product

v2.07
v2.06
v2.05
v2.04
v2.02
v2.01
v2.00
v1.03

See the full firmware history for the 100-400mm F5-6.3 DG OS HSM | Contemporary (Canon EF mount)