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

July 18, 2019
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Sigma isssued a new major firmware update for their current FE lenses:

Press text

[Applicable products]
Sigma 14mm f/1.8 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 20mm f/1.4 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 24mm f/1.4 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 35mm f/1.4 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 50mm f/1.4 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 85mm f/1.4 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 135mm f/1.8 at BHphoto, FocusCamera, Amazon and Adorama.

[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 f/1.4 at BHphoto, FocusCamera, Amazon and Adorama.

[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 f/1.4 FE lens at Adorama, FocusCamera and BHphoto.

[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/download/lenses/firmware/

Sigma FE lenses:
Sigma 35mm f/1.2 FE at Adorama, BHphoto, Amazon, FocusCamera, Henrys. In EU at Calumet DE, ParkUK, WexUK.
Sigma 14-24mm f/2.8 FE at Adorama, BHphoto, Amazon, FocusCamera, Henrys. In EU at Calumet DE, ParkUK, WexUK.
Sigma 45mm f/2.8 FE at Adorama, BHphoto, Amazon, FocusCamera, Henrys. In EU at Calumet DE, ParkUK, WexUK.

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Thanks Marcell