Sigma 50mm F1.4 DG HSM Art for Sony E is a full-frame standard prime measuring 125.9mm and weighing 880g. It uses 13 elements in 8 groups with an SLD element, a nine-blade rounded diaphragm and HSM autofocus. Sigma notes it is built to Sony's E-mount specifications under license, and the lens is discontinued.
Product released: September 1, 2018
Latest firmware version
Version 02, released July 18, 2019
Last checked for updates: Nov 1, 2026 05:41 UTC
What's new in version 02
It has improved the AF speed.It has improved the AF accuracy when the Face Detection setting is turned on, while using AF.With the Sony α9 or Sony α6400, it has corrected the phenomenon whereby the AF stopping position occasionally had a variation when shutter was half pressed repeatedly during auto focusing on the same subject.
Sigma 50mm F1.4 DG HSM Art for Sony E is a full-frame standard prime measuring 125.9mm and weighing 880g. It uses 13 elements in 8 groups with an SLD element, a nine-blade rounded diaphragm and HSM autofocus. Sigma notes it is built to Sony's E-mount specifications under license, and the lens is discontinued. It was originally released on September 1, 2018.
What is the latest firmware version of Sigma 50mm F1.4 DG HSM Art (Sony E)?
The latest firmware version of Sigma 50mm F1.4 DG HSM Art (Sony E) is 02. It was released on July 18, 2019.
What changed in Sigma 50mm F1.4 DG HSM Art (Sony E) firmware version 02?
Sigma 50mm F1.4 DG HSM Art (Sony E) firmware version 02 includes the following changes: It has improved the AF speed.It has improved the AF accuracy when the Face Detection setting is turned on, while using AF.With the Sony α9 or Sony α6400, it has corrected the phenomenon whereby the AF stopping position occasionally had a variation when shutter was half pressed repeatedly during auto focusing on the same subject.
Where can I download the latest Sigma 50mm F1.4 DG HSM Art (Sony E) firmware?
Details and download instructions for the latest Sigma 50mm F1.4 DG HSM Art (Sony E) firmware (version 02) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/a014_50_14/?mount=sony-e