Sigma 28mm F1.4 DG HSM Art in SIGMA SA mount is a full-frame wide prime weighing 865g at 107.7mm long. It has HSM autofocus, two FLD, three SLD and three aspherical elements, and a dust and splash resistant structure. It focuses to 28cm at 1:5.4 and takes 77mm filters.
Product released: June 21, 2018
Latest firmware version
Version 1.01, released February 20, 2020
Last checked for updates: Oct 31, 2026 05:36 UTC
What's new in version 1.01
It has improved AF speed and quality used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.It has optimized the aperture control when used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.
Sigma 28mm F1.4 DG HSM Art in SIGMA SA mount is a full-frame wide prime weighing 865g at 107.7mm long. It has HSM autofocus, two FLD, three SLD and three aspherical elements, and a dust and splash resistant structure. It focuses to 28cm at 1:5.4 and takes 77mm filters. It was originally released on June 21, 2018.
What is the latest firmware version of Sigma 28mm F1.4 DG HSM Art (Sigma SA)?
The latest firmware version of Sigma 28mm F1.4 DG HSM Art (Sigma SA) is 1.01. It was released on February 20, 2020.
What changed in Sigma 28mm F1.4 DG HSM Art (Sigma SA) firmware version 1.01?
Sigma 28mm F1.4 DG HSM Art (Sigma SA) firmware version 1.01 includes the following changes: It has improved AF speed and quality used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.It has optimized the aperture control when used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.
Where can I download the latest Sigma 28mm F1.4 DG HSM Art (Sigma SA) firmware?
Details and download instructions for the latest Sigma 28mm 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/a019_28_14/?mount=sigma-sa