The L-Mount 56mm F1.4 DC DN Contemporary is built for APS-C coverage and weighs 285g, with a 66.5mm diameter and a 57.5mm length. It has a 55mm filter size, closest focus of 50mm and nine rounded blades. Sigma says the compact optics rely on in-camera correction of peripheral light and distortion, with an SLD element handling axial color.
Product released: September 1, 2019
Latest firmware version
Version 1.3, released May 21, 2026
Last checked for updates: Oct 31, 2026 17:35 UTC
What's new in version 1.3
・Specific functions can now be assigned to the focus ring during AF. ・The rotation direction of the focus ring during MF can now be set. ・Aperture values can now be displayed as T-stops during movie recording. *Only on supported cameras.
LatestUpdate has tracked 3 versions of Sigma 56mm F1.4 DC DN Contemporary (L-Mount) firmware, released between September 17, 2020 and May 21, 2026.
Version 1.3 - May 21, 2026: ・Specific functions can now be assigned to the focus ring during AF. ・The rotation direction of the focus ring during MF can now be set. ・Aperture values can n…
Version 1.2 - June 26, 2025: ・The operational stability has been improved.The lens has become compatible with focus ring adjustment functionality.
Version 1.1 - September 17, 2020: ・The operational stability has been improved.The lens has become compatible with focus ring adjustment functionality.
What is Sigma 56mm F1.4 DC DN Contemporary (L-Mount)?
The L-Mount 56mm F1.4 DC DN Contemporary is built for APS-C coverage and weighs 285g, with a 66.5mm diameter and a 57.5mm length. It has a 55mm filter size, closest focus of 50mm and nine rounded blades. Sigma says the compact optics rely on in-camera correction of peripheral light and distortion, with an SLD element handling axial color. It was originally released on September 1, 2019.
What is the latest firmware version of Sigma 56mm F1.4 DC DN Contemporary (L-Mount)?
The latest firmware version of Sigma 56mm F1.4 DC DN Contemporary (L-Mount) is 1.3. It was released on May 21, 2026.
What changed in Sigma 56mm F1.4 DC DN Contemporary (L-Mount) firmware version 1.3?
Sigma 56mm F1.4 DC DN Contemporary (L-Mount) firmware version 1.3 includes the following changes: ・Specific functions can now be assigned to the focus ring during AF. ・The rotation direction of the focus ring during MF can now be set. ・Aperture values can now be displayed as T-stops during movie recording. *Only on supported cameras.
Where can I download the latest Sigma 56mm F1.4 DC DN Contemporary (L-Mount) firmware?
Details and download instructions for the latest Sigma 56mm F1.4 DC DN Contemporary (L-Mount) firmware (version 1.3) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/c018_56_14/?mount=l-mount
How often does Sigma release firmware updates for Sigma 56mm F1.4 DC DN Contemporary (L-Mount)?
We have tracked 3 firmware versions of Sigma 56mm F1.4 DC DN Contemporary (L-Mount).
Is Sigma 56mm F1.4 DC DN Contemporary (L-Mount) still receiving firmware updates?
Yes, Sigma 56mm F1.4 DC DN Contemporary (L-Mount) received a firmware update within the last year. The most recent version is 1.3.