The Leica SL3 is a full-frame mirrorless camera featuring a 60MP BSI CMOS sensor, L-mount lens compatibility, and advanced PDAF autofocus. It is the third generation of Leica's SL professional mirrorless system.
Product released: March 5, 2024
Latest firmware version
Version 4.2.0, released June 27, 2026
Last checked for updates: Aug 2, 2026 10:42 UTC
What's new in version 4.2.0
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 firmware, released between March 1, 2026 and June 27, 2026.
Version 4.2.0 - June 27, 2026: NEW • False Color (Video): New assistant for color-coded rendering of brightness values directly in Live View. It allows a precise exposure evaluation, specifi…
Version 4.0.1 - March 16, 2026: IMPROVEMENT • When the focus mode was set manually (MF) in video mode, autofocus was not available via the joystick. AF activation via the joystick is now poss…
Version 4.0.0 - March 1, 2026: NEW • A direct Camera-to-Cloud connection to Adobe Frame.io can now be established via WLAN, allowing photos and videos (proxy videos) to be uploaded directly…
The Leica SL3 is a full-frame mirrorless camera featuring a 60MP BSI CMOS sensor, L-mount lens compatibility, and advanced PDAF autofocus. It is the third generation of Leica's SL professional mirrorless system. It was originally released on March 5, 2024.
What is the latest firmware version of Leica SL3?
The latest firmware version of Leica SL3 is 4.2.0. It was released on June 27, 2026.
What changed in Leica SL3 firmware version 4.2.0?
Leica SL3 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 (...
How do I update the Leica SL3 firmware?
To update the Leica SL3 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.
Where can I download the latest Leica SL3 firmware?
Details and download instructions for the latest Leica SL3 firmware (version 4.2.0) are on Leica's official release page: https://leica-camera.com/en-int/photography/cameras/sl/sl3-black/downloads
How do I check for Leica SL3 firmware updates?
You can track Leica SL3 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.
How often does Leica release firmware updates for Leica SL3?
We have tracked 3 firmware versions of Leica SL3. Leica releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
Is Leica SL3 still receiving firmware updates?
Yes, Leica SL3 received a firmware update within the last 3 months. The most recent version is 4.2.0.
Who makes Leica SL3?
Leica SL3 is manufactured by Leica. Visit the official product page for more information.