Sigma 150-600mm F5-6.3 DG OS HSM | Contemporary (Canon EF mount) firmware v1.01

Sigma · Released Aug 20, 2015 · First seen Jul 5, 2026

v1.01 is not the latest firmware for the Sigma 150-600mm F5-6.3 DG OS HSM / Contemporary (Canon EF mount): the current version is v2.03 (August 20, 2020). Go to v2.03

In short — summary by updatemystuff.com

Improved autofocus accuracy with tele converters through standardized data processing, resetting focus adjustment values.

  • Improved AF accuracy when using TC-1401 tele converter
  • Data processing standardized for better focus 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: Please refer to the ​camera’s instruction manual for information on AF operation when used with tele converters.

Note: This firmware u​pdate standardizes the data processing to improve AF accuracy and resets the focus adjustment values.

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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 (Canon EF mount)