Sigma 150-600mm F5-6.3 DG OS HSM | Sports (Canon EF mount)
firmware v1.03
Sigma · Released Aug 20, 2015 · First seen Jul 5, 2026
v1.03 is not the latest firmware for the Sigma 150-600mm F5-6.3 DG OS HSM / Sports (Canon EF mount): the current version is v2.02 (October 22, 2020). Go to v2.02
In short — summary by updatemystuff.com
Enhanced autofocus accuracy with tele converters through standardized data processing.
- AF accuracy improved when using TC-1401 tele converter
- Data processing standardized for improved AF performance
- Focus adjustment values reset
Written from Sigma's release notes, which are printed in full below.
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What's in this update
It has improved the AF accuracy when attached to the TELE CONVERTER TC-1401.
Note: Before upgrading the firmware of 150-600mm F5-6.3 DG OS HSM S014, please first update your SIGMA Optimization Pro to Ver1.2.0.Note: Please refer to the camera’s instruction manual for information on AF operation when used with tele converters.
Note: This firmware update standardizes the data processing to improve AF accuracy and resets the focus adjustment values.
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