Sigma 16-300mm F3.5-6.7 DC OS | Contemporary (Canon RF Mount) firmware v1.0.1

Sigma · Released Aug 27, 2026 · First seen Aug 28, 2026

v1.0.1 is the latest firmware for the Sigma 16-300mm F3.5-6.7 DC OS / Contemporary (Canon RF Mount), released August 27, 2026.

What's in this update

  • Fixed an isolated issue where the monito​r blacks out and the camera freezes during shooting when used with the Canon EOS R6 Mark III.
  • Improved autofocus (AF) operation speed.
  • Optimized peripheral illumination c​orrection data to improve correction accuracy.

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See the full firmware history for the 16-300mm F3.5-6.7 DC OS | Contemporary (Canon RF Mount)