Sigma 120-300mm F2.8 DG OS HSM | Sports (Nikon F mount) firmware v1.02

Sigma · Released Oct 23, 2014 · First seen Jul 5, 2026

v1.02 is not the latest firmware for the Sigma 120-300mm F2.8 DG OS HSM / Sports (Nikon F mount): the current version is v1.03 (August 5, 2016). Go to v1.03

In short — summary by updatemystuff.com

Optimizes support for new tele converters but removes compatibility with older APO Tele Converter models.

  • Optimized for Sigma TC-1401 and TC-2001 tele converters
  • Becomes incompatible with APO Tele Converter 1.4x EX DG and 2x EX DG
  • Requires SIGMA Optimization Pro Ver1.2.0 before updating

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

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What's in this update

It has optimized the lens firmware for the ​SIGMA TELE CONVERTER TC-1401 and TC-2001.

Note: Before upgrading the firmware of 120-300mm F2.8 DG OS HSM S013, please first update your SIGMA Optimization Pro to Ver1.2.0.

Note: Updating t​he lens firmware to the latest version will optimize the lens for the new tele converters, however it will become incompatible with the conventional APO TELE CONVERTER 1.4x EX DG and APO TELE CONVERTER 2x EX DG.

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Other versions for this product

See the full firmware history for the 120-300mm F2.8 DG OS HSM | Sports (Nikon F mount)