Sigma 50mm F1.4 DG HSM | Art (Nikon F mount)
firmware v1.03
Sigma · Released Apr 7, 2022 · First seen Jul 5, 2026
v1.03 is the latest firmware for the Sigma 50mm F1.4 DG HSM / Art (Nikon F mount), released April 7, 2022.
In short — summary by updatemystuff.com
Autofocus accuracy improved for Nikon Z cameras when using pinpoint AF mode
- Autofocus accuracy improved with Nikon Z pinpoint AF
Written from Sigma's release notes, which are printed in full below.
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What's in this update
- The AF accuracy has been improved when the AF area mode of the Nikon Z series is set to pinpoint AF.
- Nikon Mount Adapter FTZ / FTZ II is required to mount your SIGMA lenses for Nikon F mount on Nikon Z series cameras.
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See the full firmware history for the 50mm F1.4 DG HSM | Art (Nikon F mount)