17-70mm F2.8-4 DC MACRO OS HSM | Contemporary (Canon EF mount) firmware v1.02
Sigma · Released Oct 3, 2014 · First seen by GearPulse Jul 5, 2026
What's in this update
Autofocus is supported at any aperture value when used with the Canon Digital Cinema Camera EOS C100. Note: Before upgrading the firmware of 17-70mm F2.8-4 DC MACRO OS HSM C013, please first update your SIGMA Optimization Pro to Ver1.2.0.
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