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Made by Leica · firmware
The Leica SL3-S is a full-frame mirrorless camera in the SL system with a 24MP sensor optimized for video, supporting 8K internal recording and advanced autofocus. It is a video-focused variant of the SL3 aimed at hybrid photographers and cinematographers.
Product released: January 21, 2025
Version 4.2.0, released June 27, 2026
Last checked for updates: Aug 2, 2026 22:41 UTC
NEW • False Color (Video): New assistant for color-coded rendering of brightness values directly in Live View. It allows a precise exposure evaluation, specifically for skin tone. • HDMI mirroring including user interface: The camera monitor can now be mirrored via HDMI, including all on- screen icons. A new menu option (Mirror via HDMI) allows easy activa- tion/deactivation of this function. • Lens Profile: Support for the new Leica Noctilux-M 1:1.2/35 ASPH. • Extended AF subject detection (vehicle): Two options have been added to the menu AF Detection to allow for vehicle detection. The user can specify the detection of entire vehicles or specific vehicle parts.
LatestUpdate has tracked 3 versions of Leica SL3-S firmware, released between March 1, 2026 and June 27, 2026.
Official Leica SL3-S product page
The Leica SL3-S is a full-frame mirrorless camera in the SL system with a 24MP sensor optimized for video, supporting 8K internal recording and advanced autofocus. It is a video-focused variant of the SL3 aimed at hybrid photographers and cinematographers. It was originally released on January 21, 2025.
The latest firmware version of Leica SL3-S is 4.2.0. It was released on June 27, 2026.
Leica SL3-S firmware version 4.2.0 includes the following changes: NEW • False Color (Video): New assistant for color-coded rendering of brightness values directly in Live View. It allows a precise exposure evaluation, specifically for skin tone. • HDMI mirroring including user interface: The camera monitor can now be mirrored via HDMI, including all on- screen icons. A new menu option (Mirror via HDMI) allows easy activa- tion/deactivation of this function. • Lens Profile: Support for the new Leica Noctilux-M 1:1.2/35 ASPH. • Extended AF subject detection (...
To update the Leica SL3-S firmware, download the latest version (4.2.0) from Leica's website. Follow Leica's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from Leica's support page.
Details and download instructions for the latest Leica SL3-S firmware (version 4.2.0) are on Leica's official release page: https://leica-camera.com/en-int/photography/cameras/sl/sl3-s-black/downloads
You can track Leica SL3-S firmware updates automatically on LatestUpdate.io. We monitor Leica's releases and notify you when new firmware versions are available, so you never miss an update.
We have tracked 3 firmware versions of Leica SL3-S. Leica releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
Yes, Leica SL3-S received a firmware update within the last 3 months. The most recent version is 4.2.0.
Leica SL3-S is manufactured by Leica. Visit the official product page for more information.