150-600mm F5-6.3 DG OS HSM | Contemporary (Canon EF mount) firmware v1.01
Sigma · Released Aug 20, 2015 · First seen by GearPulse Jul 5, 2026
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 update standardizes the data processing to improve AF accuracy and resets the focus adjustment values.
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