Sigma 150-600mm F5-6.3 DG OS HSM | Contemporary (SIGMA SA-mount) firmware v1.03

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

v1.03 is the latest firmware for the Sigma 150-600mm F5-6.3 DG OS HSM / Contemporary (SIGMA SA-mount), released November 21, 2019.

In short — summary by updatemystuff.com

Improves autofocus and optimizes optical stabilizer mode 2 when used with the MC-21 SA-L mount converter.

  • Enhanced autofocus performance with MC-21 SA-L mount converter
  • Optimized optical stabilizer Mode2 with MC-21 SA-L mount 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 the AF performance when use​d in combination with the SIGMA MOUNT CONVERTER MC-21 SA-L.The firmware will optimize the operation of Mode2 in Optical Stabilizer whe​n used in combination with the SIGMA MOUNT CONVERTER MC-21 SA-L.

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Other versions for this product

See the full firmware history for the 150-600mm F5-6.3 DG OS HSM | Contemporary (SIGMA SA-mount)