The Panasonic LUMIX S PRO 50mm F1.4 is a professional standard prime lens for the L-mount full-frame system, co-developed with Leica Camera AG and one of the sharpest 50mm lenses available. It features an ultra-bright F1.4 maximum aperture, weather-sealing to -10°C, and a 9-blade circular diaphragm. The lens is the flagship prime of the LUMIX S PRO series.
Product released: March 29, 2019
Latest firmware version
Version 2.0, released May 14, 2025
Last checked for updates: Oct 31, 2026 15:51 UTC
What's new in version 2.0
When set to AF mode, preferred functions can now be assigned to the focus ring.
- Compatible models as of May 14, 2025: DC-S1M2, DC-S1M2ES
The rotation direction of the focus ring can now be selected according to your preference.
- Compatible models as of May 14, 2025: DC-S1M2, DC-S1M2ES
LatestUpdate has tracked 2 versions of Panasonic LUMIX S PRO 50mm F1.4 (S-X50) firmware, released between January 10, 2023 and May 14, 2025.
Version 2.0 - May 14, 2025: When set to AF mode, preferred functions can now be assigned to the focus ring. - Compatible models as of May 14, 2025: DC-S1M2, DC-S1M2ES The rotation directi…
The Panasonic LUMIX S PRO 50mm F1.4 is a professional standard prime lens for the L-mount full-frame system, co-developed with Leica Camera AG and one of the sharpest 50mm lenses available. It features an ultra-bright F1.4 maximum aperture, weather-sealing to -10°C, and a 9-blade circular diaphragm. The lens is the flagship prime of the LUMIX S PRO series. It was originally released on March 29, 2019.
What is the latest firmware version of Panasonic LUMIX S PRO 50mm F1.4 (S-X50)?
The latest firmware version of Panasonic LUMIX S PRO 50mm F1.4 (S-X50) is 2.0. It was released on May 14, 2025.
What changed in Panasonic LUMIX S PRO 50mm F1.4 (S-X50) firmware version 2.0?
Panasonic LUMIX S PRO 50mm F1.4 (S-X50) firmware version 2.0 includes the following changes: When set to AF mode, preferred functions can now be assigned to the focus ring.
- Compatible models as of May 14, 2025: DC-S1M2, DC-S1M2ES
The rotation direction of the focus ring can now be selected according to your preference.
- Compatible models as of May 14, 2025: DC-S1M2, DC-S1M2ES
Where can I download the latest Panasonic LUMIX S PRO 50mm F1.4 (S-X50) firmware?
Details and download instructions for the latest Panasonic LUMIX S PRO 50mm F1.4 (S-X50) firmware (version 2.0) are on Panasonic's official release page: https://av.jpn.support.panasonic.com/support/global/cs/dsc/download/ff/dl/x50.html
How often does Panasonic release firmware updates for Panasonic LUMIX S PRO 50mm F1.4 (S-X50)?
We have tracked 2 firmware versions of Panasonic LUMIX S PRO 50mm F1.4 (S-X50).