Sigma 40mm F1.4 DG HSM | Art (Sony E-mount)
firmware v03
Sigma · Released Dec 19, 2019 · First seen Jul 5, 2026
v03 is the latest firmware for the Sigma 40mm F1.4 DG HSM / Art (Sony E-mount), released December 19, 2019.
What's in this update
It has improved the AF performance. SIGMA 40mm F1.4 DG HSM | Art for Sony E-mount firmware Ver.03 is available for update at the following site.
updatemystuff.com never hosts firmware files — always download from the official source.
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