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Firmware update for SIGMA’s interchangeable lenses for Sony E-mount

Sigma are pleased to announce that a new firmware update for SIGMA’s interchangeable lenses for Sony E-mount.

  • SIGMA 14mm F1.8 DG HSM | Art for Sony E-mount
  • SIGMA 20mm F1.4 DG HSM | Art for Sony E-mount
  • SIGMA 24mm F1.4 DG HSM | Art for Sony E-mount
  • SIGMA 35mm F1.4 DG HSM | Art for Sony E-mount
  • SIGMA 50mm F1.4 DG HSM | Art for Sony E-mount
  • SIGMA 85mm F1.4 DG HSM | Art for Sony E-mount
  • SIGMA 135mm F1.8 DG HSM | Art for Sony E-mount
, Firmware update for SIGMA’s interchangeable lenses for Sony E-mount

Benefits of the 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.

Applicable product
SIGMA 105mm F1.4 DG HSM | Art for Sony E-mount

Benefits of the update
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.

Applicable product
SIGMA 40mm F1.4 DG HSM | Art for Sony E-mount

Benefit of the update
With cameras which incorporate DMF mode, when using the AF while the MF assist function is turned on, it has corrected the phenomenon whereby it automatically displays a magnified view as it gets in focus.

For customers who have Sony α9, please update the camera’s firmware to Ver.5.00 or later.

To update the firmware, please refer to the following link; https://www.sigma-global.com/en/software/sigma-optimization-pro/

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