Sigma 20mm F1.4 DG HSM | Art (Canon EF mount) firmware

Firmware history

1. Version 2.01 Latest Released Oct 22, 2020 First seen Jul 5, 2026

   Optimizes exposure for select Canon models and reduces diaphragm noise during video recording. — summary by updatemystuff.com

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   It has optimized the exposure during viewfinder shooting when used in combination with the EOS 90D and the EOS-1D X Mark III.It has ​reduced the operating sound of the lens diaphragm blades when attached with the SIGMA MOUNT CONVER​TER MC-11 EF-E and used for shooting movies.

   It has reduced the operating sound of the lens diaphragm blades when used for shooting movies on Canon cameras.

   • The degree of improvement differs depending on the camera used.
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2. Version 2.00 Released Jul 13, 2018 First seen Jul 5, 2026

   Fixed abnormal images and operation errors with Canon's Lens Aberration Correction — summary by updatemystuff.com

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   It has ensured compatibility with Canon’s in-camera Lens Aberratio​n Correction function, which enables correction matching the optical characteristics of the attached lens.

   • It has corrected the phenomenon that abnormal images appear or operation errors occur when Canon’s in-camera Lens Aberration Correction function is enabled.
   • Compatible cameras: EOS 1D X mark II, EOS 5Ds, EOS 5Ds​ R, EOS 5D mark IV, EOS 6D mark II, EOS 80D, EOS 8000D(EOS Rebel T6s, EOS 760D), EOS 9000D(EOS 77D) , EOS Kiss x8i(EOS Rebel T6i, EOS 750D), EOS Kiss x9i(EOS Rebel T7i, EOS 800D), EOS Kiss x9(EOS Rebel SL2, EOS 200D)
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3. Version 1.02 Released Jun 24, 2016 First seen Jul 5, 2026
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   It is fully functional with the Canon Digital ​Cinema Camera EOS C300 Mark II.It has corrected the phenomenon that the i​mage could show some underexposure when it is mounted on a Canon EOS-1D X Mark II.

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4. Version 1.01 Released Mar 11, 2016 First seen Jul 5, 2026
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   Compatible with MOUNT CONVERTER MC-11.

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