Sigma 120-300mm F2.8 DG OS HSM | Sports (Canon EF mount) firmware v1.04

Sigma · Released May 11, 2015 · First seen Jul 5, 2026

v1.04 is not the latest firmware for the Sigma 120-300mm F2.8 DG OS HSM / Sports (Canon EF mount): the current version is v2.02 (July 21, 2020). Go to v2.02

In short — summary by updatemystuff.com

Adds Live View support for specific Canon cameras and optimizes for newer converters, though it removes compatibility with older models.

  • Live View support added for Canon EOS 8000D and EOS Kiss X8i
  • Requires SIGMA Optimization Pro version 1.2.0 to be installed first
  • Optimizes for new tele converters but breaks compatibility with older APO TELE CONVERTER 1.4x and 2x EX DG

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

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What's in this update

It is now compatible with the Live View mode of the EOS 8000D (Rebel T6s / 760D) and EOS Kiss X8i (Rebel T6i / 750D) cameras.

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 ​the 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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Changed since v1.03

  • It is now compatible with the Live View mode of the EOS 8000D (Rebel T6s / 760D) and EOS Kiss X8i (Rebel T6i / 750D) cameras.

Other versions for this product

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