Sigma 40mm F1.4 DG HSM Art in SIGMA SA mount is a full-frame standard prime weighing 1,200g at 131mm long. Its optics use 16 elements in 12 groups with FLD, SLD and aspherical elements and cover a 56.8° angle of view. Closest focus is 40cm, filters are 82mm, and the structure resists dust and splashes.
Product released: September 27, 2018
Latest firmware version
Version 1.01, released February 20, 2020
Last checked for updates: Oct 31, 2026 18:07 UTC
What's new in version 1.01
It has improved AF speed and quality when used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.
Sigma 40mm F1.4 DG HSM Art in SIGMA SA mount is a full-frame standard prime weighing 1,200g at 131mm long. Its optics use 16 elements in 12 groups with FLD, SLD and aspherical elements and cover a 56.8° angle of view. Closest focus is 40cm, filters are 82mm, and the structure resists dust and splashes. It was originally released on September 27, 2018.
What is the latest firmware version of Sigma 40mm F1.4 DG HSM Art (Sigma SA)?
The latest firmware version of Sigma 40mm F1.4 DG HSM Art (Sigma SA) is 1.01. It was released on February 20, 2020.
What changed in Sigma 40mm F1.4 DG HSM Art (Sigma SA) firmware version 1.01?
Sigma 40mm F1.4 DG HSM Art (Sigma SA) firmware version 1.01 includes the following changes: It has improved AF speed and quality when used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.
Where can I download the latest Sigma 40mm F1.4 DG HSM Art (Sigma SA) firmware?
Details and download instructions for the latest Sigma 40mm F1.4 DG HSM Art (Sigma SA) firmware (version 1.01) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/a018_40_14/?mount=sigma-sa