Sigma 20mm F2 DG DN Contemporary for Sony E-mount is a full-frame ultra-wide prime, 74.4mm long and 370g, with an all-metal body, magnetic metal lens cap and manual aperture ring. Its 94.5° view comes from a 13-element, 11-group design that uses FLD, SLD and three glass-molded aspherical elements. Minimum focus is 22cm at 1:6.7 and filters are 62mm.
Product released: September 29, 2022
Latest firmware version
Version 04, released July 23, 2026
Last checked for updates: Oct 31, 2026 17:38 UTC
What's new in version 04
Fixed an issue where the monitor would rarely black out and freeze during shooting when combined with the Sony α7 V.
LatestUpdate has tracked 3 versions of Sigma 20mm F2 DG DN Contemporary (Sony E) firmware, released between October 13, 2022 and July 23, 2026.
Version 04 - July 23, 2026: Fixed an issue where the monitor would rarely black out and freeze during shooting when combined with the Sony α7 V.
Version 03 - November 21, 2024: ・Compatibility with continuous shooting of up to approximately 120 frames per second has been added for the autofocus modes (AF-S/DMF/MF) on Sony α9 III camera…
Version 02 - October 13, 2022: ・Compatibility with continuous shooting of up to approximately 120 frames per second has been added for the autofocus modes (AF-S/DMF/MF) on Sony α9 III camera…
What is Sigma 20mm F2 DG DN Contemporary (Sony E)?
Sigma 20mm F2 DG DN Contemporary for Sony E-mount is a full-frame ultra-wide prime, 74.4mm long and 370g, with an all-metal body, magnetic metal lens cap and manual aperture ring. Its 94.5° view comes from a 13-element, 11-group design that uses FLD, SLD and three glass-molded aspherical elements. Minimum focus is 22cm at 1:6.7 and filters are 62mm. It was originally released on September 29, 2022.
What is the latest firmware version of Sigma 20mm F2 DG DN Contemporary (Sony E)?
The latest firmware version of Sigma 20mm F2 DG DN Contemporary (Sony E) is 04. It was released on July 23, 2026.
What changed in Sigma 20mm F2 DG DN Contemporary (Sony E) firmware version 04?
Sigma 20mm F2 DG DN Contemporary (Sony E) firmware version 04 includes the following changes: Fixed an issue where the monitor would rarely black out and freeze during shooting when combined with the Sony α7 V.
Where can I download the latest Sigma 20mm F2 DG DN Contemporary (Sony E) firmware?
Details and download instructions for the latest Sigma 20mm F2 DG DN Contemporary (Sony E) firmware (version 04) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/c022_20_2/?mount=sony-e
How often does Sigma release firmware updates for Sigma 20mm F2 DG DN Contemporary (Sony E)?
We have tracked 3 firmware versions of Sigma 20mm F2 DG DN Contemporary (Sony E).
Is Sigma 20mm F2 DG DN Contemporary (Sony E) still receiving firmware updates?
Yes, Sigma 20mm F2 DG DN Contemporary (Sony E) received a firmware update within the last year. The most recent version is 04.