Sigma 70-200mm F2.8 DG OS HSM | Sports (SIGMA SA-mount) firmware v1.01

Sigma · Released Nov 21, 2019 · First seen Jul 5, 2026

v1.01 is the latest firmware for the Sigma 70-200mm F2.8 DG OS HSM / Sports (SIGMA SA-mount), released November 21, 2019.

In short — summary by updatemystuff.com

Enhances autofocus and optical stabilization with the MC-21 SA-L mount converter.

  • Autofocus performance improved with MC-21 SA-L converter
  • Optical Stabilizer Mode 2 optimization with MC-21 converter

Written from Sigma's release notes, which are printed in full below.

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What's in this update

The firmware will improve t​he AF performance when used in combination with the SIGMA MOUNT CONVERTER MC-21 SA-L.The firmware will optimize the operation of Mode2 in​ Optical Stabilizer when used in combination with the SIGMA MOUNT CONVERTER MC-21 SA-L.

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See the full firmware history for the 70-200mm F2.8 DG OS HSM | Sports (SIGMA SA-mount)