Sigma 85mm F1.4 DG HSM | Art (Sony E-mount)
firmware v02
Sigma · Released Jul 18, 2019 · First seen Jul 5, 2026
v02 is the latest firmware for the Sigma 85mm F1.4 DG HSM / Art (Sony E-mount), released July 18, 2019.
In short — summary by updatemystuff.com
Autofocus improvements including faster speed, better accuracy with face detection, and consistent positioning on specific Sony models.
- Faster autofocus operation
- Improved face detection autofocus accuracy
- Fixed AF position variation on Sony α9 and α6400
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 speed.
It has improved the AF accuracy when the Face Detection setting is turned on, while using AF.With the Sony α9 or Sony α6400, it has corrected the phenomenon whereby the AF stopping position occasionally had a variation when shutter was half pressed repeatedly during auto focusing on the same subject.
- For customers who have Sony α9, please update the camera’s firmware to Ver.5.00 or later. SIGMA 85mm F1.4 DG HSM | Art for Sony E-mount firmware Ver.02 is available for update at the following site.
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