Sigma 40mm F1.4 DG HSM Art in L-Mount is a full-frame standard prime weighing 1,295g at 155mm long. It has 16 elements in 12 groups with FLD, SLD and aspherical glass, a 56.8° angle of view, 82mm filters, a 40cm closest focus and a dust and splash resistant structure.
Version 1.1 - May 20, 2021: It has improved the AF accuracy when it is used with the SIGMA fp L.It has improved aperture operation when shooting movies with the Panasonic LUMIX S1H.
Sigma 40mm F1.4 DG HSM Art in L-Mount is a full-frame standard prime weighing 1,295g at 155mm long. It has 16 elements in 12 groups with FLD, SLD and aspherical glass, a 56.8° angle of view, 82mm filters, a 40cm closest focus and a dust and splash resistant structure. It was originally released on March 1, 2019.
What is the latest firmware version of Sigma 40mm F1.4 DG HSM Art (L-Mount)?
The latest firmware version of Sigma 40mm F1.4 DG HSM Art (L-Mount) is 1.2. It was released on October 23, 2025.
What changed in Sigma 40mm F1.4 DG HSM Art (L-Mount) firmware version 1.2?
Sigma 40mm F1.4 DG HSM Art (L-Mount) firmware version 1.2 includes the following changes: ・The operational stability has been improved.
Where can I download the latest Sigma 40mm F1.4 DG HSM Art (L-Mount) firmware?
Details and download instructions for the latest Sigma 40mm F1.4 DG HSM Art (L-Mount) firmware (version 1.2) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/a018_40_14/?mount=l-mount
How often does Sigma release firmware updates for Sigma 40mm F1.4 DG HSM Art (L-Mount)?
We have tracked 2 firmware versions of Sigma 40mm F1.4 DG HSM Art (L-Mount).