SL3, SL2 & SL2-S: Firmware updates significantly expand the range of functions

[Tinbird]

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3 hours ago, helged said:

'Only' FW, but nevertheless: https://www.reddotforum.com/content/2023/08/leica-firmware-master-list/

Nope. Unfortunately, helged, the reddot forum you linked only provides the most recent (i.e. current) FW updates for each Leica camera, not any of the previous ones.

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[Tinbird]

1 hour ago, Homo Faber said:

Great, but needed to be updated, obviously.

Nope. If you actually click the link on the reddot forum website URL you provide, Homo Faber, it provides only the current FW update version, none of the previous ones. The glaring omission that my original comment/question addressed was where I could find a COMPLETE listing of ALL of the changes introduced with EACH (and every one) of the FW updates for the Leica SL2 and Q2 cameras. The reddot forum does not provide that information. It merely re-lists only the latest (current) FW update that's already freely available on the Leica website.

[Tinbird]

Artificial Intelligence to the rescue! Unable to locate anywhere on the internet a listing of each and every one of the Firmware Updates, and the specific changes introduced with each update, for the Leica SL2 camera, I queried ChatGPT. Here's the response I received, verbatim, which I found helpful (I archived all of the information below directly into a MS Word document on my laptop, from which I can manually update my SL2 Instruction Manual [.pdf version], incorporating each of the specific changes introduced with each FW update, from the very first, right through the current FW version, 6.1.0, so that my SL2 Instruction Manual will accurately and comprehensively reflect the actual feature set and capabilities of the FW updated camera. Others may find value in doing the same). Some specific items require further elaboration (like "Multishot mode"), but the below listing remains very helpful:

Firmware Version 1.1 (Released February 6, 2020)

• New Features:
  • Improved compatibility with Leica FOTOS app.

  • Enhanced autofocus performance.

  • Improved image stabilization.

• Bug Fixes:
  • Resolved minor issues to improve overall camera stability.

Firmware Version 2.0 (Released June 25, 2020)

• New Features:
  • Introduction of Multishot mode for higher resolution images.

  • Enhanced video functions, including waveform monitor and automatic follow focus.

  • Improved connectivity with Leica FOTOS.

• Bug Fixes:
  • General performance improvements and stability enhancements.

Firmware Version 3.0 (Released September 22, 2021)

• New Features:
  • Improved autofocus algorithm with enhanced eye/face/head/body recognition and tracking.

  • Enabled internal 10-bit 4K/60p & 50p recording with HEVC compression.

  • Removed recording time limitation for internal recording.

  • Added support for custom viewing LUTs and waveform monitor.

  • Introduced highlight weighted metering and enhanced image overlay function.

• Bug Fixes:
  • Various performance improvements and stability enhancements.

Firmware Version 4.0 (Released May 6, 2022)

• New Features:
  • Direct setting of ISO sensitivity via thumbwheel or front dial.

  • Improved Eye/Face/Body detection autofocus.

  • ISO settings in finer increments of 1/2 EV or 1/3 EV in video mode.

  • RAW format output via HDMI for external device recording.

• Bug Fixes:
  • Enhanced geotagging via Leica FOTOS app.

  • Improved HDMI output compatibility with USB connection.

Firmware Version 5.0 (Released September 1, 2022)

• New Features:
  • Introduction of automatic perspective control to straighten converging lines in-camera.

  • ISO increment settings now selectable via setting wheels.

  • Expanded lens profile menu for better compatibility with various lenses.

  • Customizable function button assignments extended.

• Bug Fixes:
  • Addressed issues with lens Exif information for third-party adapters.

  • Improved Leica FOTOS connectivity.

  • Resolved focus point toggling issues.

Firmware Version 5.1 (Released March 9, 2023)

• New Features:
  • Improved flash photography performance with Profoto flash units.

  • Unified firmware features between SL2 and SL2-S models.

• Bug Fixes:
  • General performance improvements and stability enhancements.

Firmware Version 5.2.0 (Released August 31, 2023)

• New Features:
  • Official support for the new BP-SCL6 battery with greater capacity.

  • Removal of lens current consumption limitation.

  • Added support for new Leica M lenses with updated 6-bit codes.

• Bug Fixes:
  • Miscellaneous bug fixes for improved performance.

Firmware Version 6.0.0 (Released December 8, 2023)

• New Features:
  • Enabled continuous shooting with activated perspective control.

  • Introduced lock function for white balance settings, auto ISO, and Auto mode during video recording.

  • Added new submenu items and enhanced touch AF settings.

  • More assignment options for controls.

• Improvements:
  • Improved GPS accuracy.

  • Revised Play menu.

  • Renamed continuous shooting settings for better user experience.

• Bug Fixes:
  • Various performance improvements and stability enhancements.

Firmware Version 6.1.0 (Released December 12, 2024)

• New Features:
  • Extended functionality for supported lenses.

  • Improved eye detection autofocus in video mode.

  • Magnification via joystick in manual focus mode re-enabled.

• Bug Fixes:
  • Fixed connection errors with Profoto Connect Pro.

  • General performance improvements and stability enhancements.

 

[o2mpx]

With this latest release, is the SL3 finally equal to the SL2 series relative to functional features? What else is missing that’s available in the SL2 but not SL3?

[SrMi]

1 hour ago, o2mpx said:

With this latest release, is the SL3 finally equal to the SL2 series relative to functional features? What else is missing that’s available in the SL2 but not SL3?

Multi-shot.

[Ken Abrahams]

1 hour ago, o2mpx said:

With this latest release, is the SL3 finally equal to the SL2 series relative to functional features? What else is missing that’s available in the SL2 but not SL3?

1/16000 sec with A Mode

[jayoco]

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Hmm...I just noticed I can no longer change the left dial direction for iso.   I used to be able to turn the left dial clockwise to INCREASE iso.  Now it's counter clockwise.  The direction setting has been omitted from this recent firmware update.   It could be I'm missing something as I run multiple systems, but I don't think so.

OOPS...leaving this post here in case someone else needs the help.  Go to customize control - Dials - Dial direction.  You can change the direction from that menu.

Edited December 24, 2024 by jayoco

[Tinbird]

I posted a comment the other day, complaining about the complete absence of any archives of previous firmware updates (i.e. only the current, most recent singular FW update is available, and that includes even the absence of any "Release Notes" of previous FW updates (Leica "Release Notes" describe - usually in a very cursory manner - the features introduced and bugs fixed with each FW update). Surprisingly, this rather important information (what, exactly, was added and fixed with each previous FW update) is apparently unavailable anywhere on the web - I've searched for hours to no avail. Although I'm diligent about actually keeping all of my cameras (and lenses) updated with the latest FW releases, regrettably, I haven't been as diligent about documenting the changes, and I simply can't remember all of the new features that were introduced and all of the bugs that were fixed with each new FW update, and as such, I really can't take full advantage of the "enhanced" capabilities of my camera(s). I suspect many of you reading this are in the same position, even if you're unaware of it or haven't really paid much attention to it. Pedantic as it may sound, and since it's not available anywhere else, I'd also like to update/edit the .pdf versions of my Leica Camera Instruction Manuals to reflect the changes introduced with each of the nine FW updates that have so far been issued for the SL2 (as of the time I'm writing this). The detailed information I'm sharing below (which goes way beyond what the typical official Leica Firmware "Release Notes" provide) will greatly assist me in this project.

For those reading this that share my interest in becoming aware of the specific changes introduced with each of the previous nine SL2 FW updates (so that we may actually understand and use these enhancements to our benefit and enjoyment!), attached below is what I've been able to dig up so far. This is a much more detailed and complete listing than the one I posted in my original posting two days ago. As I mentioned, I intend to manually update my SL2 Instruction Manual (.pdf version) to include all of the changes introduced with these FW updates, thus, creating a fully up-to-date and complete Instruction Manual for the camera, as of 2024.12 and FW v.6.1.0, which I can reliably refer to in the future, to refresh my memory and to get the most out of my camera. I hope some of you may find this info as useful as I do...

 

Leica SL2 Firmware Version 1.1 (Released February 6, 2020)

This firmware update was Leica's first for the SL2 after its launch. It aimed to refine the camera's performance, enhance functionality, and resolve early issues based on user feedback.

Feature Upgrades

1. Improved Autofocus Performance:
   • Enhanced autofocus speed and accuracy for both still photography and video.

   • Better subject acquisition in low-light conditions and improved focus tracking for moving subjects.

2. Leica FOTOS App Integration:
   • Improved connectivity with the Leica FOTOS app for seamless image transfer and remote camera control.

   • Reduced pairing time and enhanced stability during app sessions.

3. Battery Management Optimization:
   • Improved power management algorithms to extend battery life during both shooting and standby modes.

Bug Fixes

1. Menu System Stability:
   • Resolved occasional freezing issues when navigating through complex menu settings.

   • Improved responsiveness of the touchscreen interface during menu operations.

2. Video Recording Stability:
   • Addressed sporadic issues where video recording would unexpectedly stop in certain scenarios.

   • Improved compatibility with external microphones to reduce latency and audio syncing errors.

3. Improved Lens Compatibility:
   • Fixed minor lens communication issues with certain Leica lenses, ensuring accurate metadata transfer and EXIF recording.

4. SD Card Handling:
   • Enhanced support for high-capacity SD cards (UHS-II), improving write speeds and reducing errors during high-speed burst shooting or 4K video recording.

General Performance Improvements

• Increased overall camera stability during prolonged shooting sessions.

• Reduced lag when switching between photo and video modes.

• Enhanced responsiveness of buttons and dials, especially during intensive usage.

 

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Leica SL2 Firmware Version 2.0 (Released June 25, 2020)

Firmware Version 2.0 for the Leica SL2 introduced significant upgrades to enhance functionality and user experience. This update focused on adding advanced features, improving existing capabilities, and resolving minor issues reported by users.

Feature Upgrades

1. Multishot Mode:
   • Introduced a high-resolution Multishot mode, allowing the creation of 187 MP images by combining multiple exposures.

   • Used sensor-shifting technology to capture finer details and higher resolution, ideal for static subjects and controlled environments.

2. Enhanced Autofocus System:
   • Improved autofocus speed, accuracy, and reliability in both still photography and video.

   • Upgraded tracking for moving subjects, making it more precise for dynamic scenes.

3. Waveform Monitor for Video:
   • Added a professional waveform monitor for precise exposure control during video recording.

   • Enabled accurate assessment of highlights, shadows, and midtones for cinematographers.

4. Automatic Follow Focus:
   • Enabled the ability to set focus points for automated transitions during video recording.

   • Allowed smooth and consistent focus shifts for cinematic effects.

5. Custom Function Buttons:
   • Expanded customization options for the FN button, making frequently used functions more accessible.

   • Included additional assignments for video-specific settings.

6. Leica FOTOS App Integration:
   • Enhanced connectivity with the Leica FOTOS app, including improved remote shooting and file transfer performance.

   • Added support for controlling new Multishot and video features via the app.

7. Highlight-Weighted Metering Mode:
   • Introduced a metering mode that prioritizes highlights to prevent overexposure, especially in high-contrast scenes.

8. Video Improvements:
   • Added support for additional video frame rates and recording formats.

   • Improved autofocus performance during video capture, ensuring smoother transitions and better subject tracking.

Bug Fixes

1. Lens Communication Issues:
   • Resolved occasional errors with metadata transmission and compatibility when using specific Leica lenses.

2. SD Card Stability:
   • Addressed issues with high-capacity SD cards, reducing errors during high-speed burst shooting or extended video recording sessions.

3. Menu Performance:
   • Improved the responsiveness of the menu system and resolved occasional freezing during navigation.

   • Enhanced the touchscreen interface for better usability and accuracy.

4. Battery Management:
   • Optimized battery usage for improved efficiency, especially during video recording and standby.

5. General Stability Improvements:
   • Fixed minor issues that could cause the camera to reboot unexpectedly.

   • Increased stability during long shooting sessions, particularly in extreme environments.

Overall Impact

Firmware Version 2.0 was a significant update for the Leica SL2, introducing advanced functionality like Multishot mode and professional video tools while refining existing features.

 

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Leica SL2 Firmware Version 3.0 (Released September 22, 2021)

Firmware Version 3.0 for the Leica SL2 camera was a significant update, introducing numerous features and improvements aimed at enhancing both photo and video performance. It was especially impactful for videographers, adding professional tools and capabilities.

Feature Upgrades

1. Enhanced Autofocus System:
   • New Autofocus Algorithm: Improved detection and tracking of eyes, faces, heads, and bodies for more reliable subject tracking.

   • Faster and more consistent autofocus in challenging lighting and movement scenarios.

   • Better tracking for moving subjects in both stills and video modes.

2. Advanced Video Capabilities:
   • Internal 10-bit 4K Recording: Added support for 4K/60p and 50p recording with 10-bit color depth using HEVC (H.265) compression for high-quality video with smaller file sizes.

   • Long-GOP Compression: Introduced Long-GOP compression for 10-bit codecs with data rates between 150–200 Mbps, optimizing storage efficiency without sacrificing quality.

   • Unlimited Recording Time: Removed the 30-minute recording limit for internal video recording, allowing extended capture based on storage and battery capacity.

   • Segmented Video Recording: Implemented automatic segmentation of video files to prevent data loss in case of card failure.

3. Custom LUT Support:
   • Enabled the ability to upload custom Look-Up Tables (LUTs) for accurate on-camera color grading previews.

4. Waveform Monitor:
   • Added a professional waveform monitor for precise exposure evaluation during video recording.

5. Automatic Follow Focus:
   • Introduced a feature allowing users to program up to three focus points for smooth, automated focus transitions in video recordings.

6. Tally Mode:
   • Added a visual red outline in live view during recording to indicate active recording status, improving usability on set.

7. Highlight-Weighted Metering Mode:
   • Introduced a metering mode prioritizing highlights to prevent overexposure in high-contrast scenes.

8. Color Bars and Audio Signal:
   • Added color bars with an audio reference signal, facilitating color grading and sound calibration in post-production.

9. Image Overlay Function:
   • Enhanced the ability to overlay a reference image in live view for precise framing and composition adjustments.

Bug Fixes

1. Stability Improvements:
   • Addressed occasional system instability issues that occurred during prolonged use or rapid mode switching.

2. Autofocus Refinements:
   • Resolved minor inconsistencies in autofocus performance under certain lighting conditions.

   • Improved responsiveness when transitioning between focus modes.

3. Menu and Interface Enhancements:
   • Improved menu responsiveness and usability for quicker access to functions and settings.

4. Connectivity Improvements:
   • Enhanced compatibility with the Leica FOTOS app, reducing pairing times and improving stability during use.

5. Lens Compatibility Updates:
   • Improved communication with specific Leica lenses, ensuring accurate metadata recording and better performance.

Impact of Firmware Version 3.0

This update transformed the Leica SL2 into an even more versatile tool for professionals, particularly in video production. With advanced autofocus capabilities, unrestricted video recording, and professional monitoring tools like LUT support and waveform monitors, the SL2 became better equipped to handle demanding photography and videography scenarios.

 

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Leica SL2 Firmware Version 4.0 (Released May 05, 2022)

Feature Upgrades (my apologies for the awkward formatting issues in this section - I tried but was unable to resolve the bullet formatting errors)

1.    Direct ISO Control:

1. • Users can now assign ISO sensitivity adjustments directly to the thumbwheel or front dial, allowing for quicker and more intuitive exposure control.
     

2.    Wi-Fi Sleep Mode Configuration:

2. • Introduced a configurable timer for automatic WLAN shutdown, enabling users to set the duration before Wi-Fi deactivates, thereby optimizing battery usage during wireless operations.
     

3.    Photo and Video Tagging via Joystick:

3. • Added the ability to tag photos and videos as favorites directly using the joystick, streamlining the workflow for image selection and management.
     

4.    Enhanced L-Mount Lens Support:

4. • Expanded functionality and compatibility with L-Mount Alliance lenses, ensuring seamless integration and performance with a broader range of optics.
     
     

5.    Additional Function Assignments for FN Button:

5. • Increased the number of assignable functions to the FN button, providing users with greater customization to suit their shooting preferences.
     

6.    Improved Eye/Face/Body Detection:

6. • Enhanced autofocus metering methods now allow for the selection of the primary eye to focus on, improving portrait shooting accuracy.
     
     

7.    Finer ISO Increments:

7. • Enabled ISO sensitivity adjustments in finer increments of 1/2 EV or 1/3 EV, allowing for more precise exposure settings.
     

8.    Power Saving Mode Adjustment:

8. • Provided the option to completely deactivate the power-saving mode, preventing the autofocus system from shutting down during video recording via HDMI, ensuring uninterrupted operation.
     

9.    Quick AF Position Reset:

9. • Introduced the ability to quickly toggle the autofocus point between its most recent position and the center of the frame, enhancing compositional flexibility.
     
     

10. Exposure and Depth of Field Preview:

10. • Added a function to preview exposure and depth of field, assisting photographers in assessing the final image outcome before capture.
      

11. RAW Video Output via HDMI:

11. • Enabled 12-bit RAW video output via HDMI for external recording devices, providing videographers with higher-quality footage for post-processing.
      

12. Aperture Settings in T-Stops:

12. • In Cine Mode, aperture settings can now be displayed in T-stops with 1/2 and 1/3 increments, catering to cinematographers' needs for consistent exposure control.
      

13. Improved HDMI Compatibility:

13. • Enhanced HDMI output compatibility, especially when used concurrently with the Leica FOTOS app and USB connections, ensuring stable and reliable external monitoring and recording.

Bug Fixes

• General Stability Enhancements:
  • Addressed various firmware issues to improve overall camera stability and performance, ensuring a more reliable shooting experience.

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Leica SL2 Firmware Version 5.0 (Released September 1, 2022)

Firmware Version 5.0 for the Leica SL2 camera introduced several new features aimed at enhancing usability and functionality, particularly for photographers. It also included important bug fixes and optimizations to improve overall performance.
 

Feature Upgrades

1. Automatic Perspective Control:
   • Introduced Perspective Control to correct converging vertical and horizontal lines in-camera.

   • Ideal for architectural photography, this feature automatically detects distortions and straightens lines in JPEGs, leaving RAW files unchanged for post-processing flexibility.

2. Expanded Lens Profile Menu:
   • Added support for additional focal lengths, enhancing compatibility with a broader range of lenses.

   • Expanded lens metadata ensures accurate EXIF information for better organization and workflow.

3. ISO Increment Settings:
   • Enabled users to adjust ISO sensitivity in finer increments, including 1/3, 1/2, and 1 EV steps.

   • Enhanced flexibility for precise exposure control.

4. Customizable FN Button Assignments:
   • Increased customization options for function button assignments.

   • Added new features to the list of assignable settings, allowing users to optimize the camera for their specific workflow.

5. Improved Eye/Face/Body Detection:
   • Enhanced autofocus algorithms for better eye, face, and body detection accuracy.

   • Improved subject tracking for more reliable focus in dynamic scenes.

6. Bluetooth and Wi-Fi Connectivity Enhancements:
   • Improved pairing process and stability with the Leica FOTOS app.

   • Optimized connectivity for faster image transfers and more reliable remote shooting.

7. Playback Enhancements:
   • Enabled faster browsing of images and videos in playback mode.

   • Improved sorting by shooting date and file type for quicker navigation.

8. Leica L-Log Improvements:
   • Enhanced L-Log color profiles for better dynamic range and color grading in post-production for videographers.

Bug Fixes

1. Lens Communication Issues:
   • Addressed issues with EXIF metadata recording when using third-party lenses or adapters.

   • Improved lens communication for consistent performance with L-Mount Alliance lenses.

2. Autofocus Improvements:
   • Resolved occasional inaccuracies in autofocus when tracking fast-moving subjects.

   • Improved low-light autofocus performance.

3. Video Recording Stability:
   • Fixed rare cases of unexpected interruptions during extended video recording sessions.

   • Enhanced reliability for external recording setups via HDMI.

4. Menu System Refinements:
   • Resolved occasional lags when navigating the menu or changing settings.

   • Enhanced responsiveness of touch and button controls.

5. Battery Management Optimization:
   • Improved power efficiency during standby and shooting modes.

   • Fixed minor bugs affecting battery percentage display accuracy.
     
      

General Enhancements

• Overall Camera Stability:
  • Addressed various performance inconsistencies to ensure a smoother and more reliable shooting experience.

• Improved File Handling:
  • Faster writing speeds for large image and video files, particularly on high-capacity UHS-II SD cards.

Impact of Firmware Version 5.0

This update focused on expanding the Leica SL2's feature set while addressing user-reported issues. The addition of Perspective Control and improved autofocus tracking catered to professionals in architectural and portrait photography.

 

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Leica SL2 Firmware Version 5.1 (Released March 9, 2023)

Firmware Version 5.1 for the Leica SL2 camera was a refinement-focused update, introducing compatibility enhancements, targeted performance improvements, and bug fixes. It aimed to ensure seamless functionality across both the SL2 and SL2-S models and further align their feature sets.

Feature Upgrades

1. Improved Flash Photography Performance:
   • Enhanced compatibility and performance with Profoto flash systems.

   • Enabled better synchronization and reduced latency when using third-party flash devices.

2. Firmware Feature Alignment with SL2-S:
   • Unified core features and interface options between the SL2 and SL2-S models.

   • Improved consistency for users who work with both camera systems.

3. Enhanced Lens Compatibility:
   • Broadened support for newer lenses, ensuring optimal communication and performance with the latest L-Mount optics.

   • Improved metadata recording for lenses with updated firmware or unique profiles.

Bug Fixes

1. Stability Improvements:
   • Resolved occasional freezing issues reported during long shooting sessions or when rapidly switching between photo and video modes.

   • Addressed intermittent instability when using wireless connections with the Leica FOTOS app.

2. Autofocus Adjustments:
   • Fine-tuned autofocus accuracy in specific lighting scenarios, especially low-light conditions.

   • Improved subject detection and tracking performance.

3. Video Recording Fixes:
   • Resolved rare cases where video recording would unexpectedly stop during extended takes.

   • Enhanced HDMI output stability when recording to external devices.

4. Menu Navigation Enhancements:
   • Fixed minor lags in menu navigation, particularly when accessing custom function assignments.

   • Improved touchscreen responsiveness during menu adjustments.

5. Battery Optimization:
   • Resolved discrepancies in battery life estimates and improved power management during both active use and standby.

General Enhancements

• Improved compatibility with Leica FOTOS app, ensuring faster pairing and more reliable operation during remote shooting and file transfer.

• Fine-tuned system performance for smoother transitions between shooting modes.

• Minor adjustments to color reproduction in the viewfinder and LCD for better accuracy.

Impact of Firmware Version 5.1

Firmware Version 5.1 served as a polish update for the Leica SL2, addressing user-reported issues while aligning features and performance with the SL2-S. The improvements in flash performance, lens compatibility, and overall stability ensured a more seamless shooting experience, solidifying the SL2 as a versatile and reliable tool for professionals and enthusiasts alike.

 

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Leica SL2 Firmware Version 5.2 (Released August 31, 2023)

Firmware Version 5.2 for the Leica SL2 focused on enhancing functionality, expanding compatibility, and addressing minor performance issues. This update aimed to provide a more seamless and reliable experience for both photographers and videographers.

Feature Upgrades (my apologies for the awkward formatting issues on this section - I tried but was unable to resolve the bullet formatting errors)

1.    Support for BP-SCL6 Battery:

1. • Introduced compatibility with the new BP-SCL6 battery.

   • This battery offers an 18% higher capacity (2200mAh) than its predecessor, extending shooting time and overall efficiency.

2.    Removal of Lens Current Consumption Limitation:

2. • Eliminated previous restrictions on lenses requiring higher current consumption, ensuring full functionality with a broader range of optics.

   • Improved performance with certain third-party lenses.

3.    Extended Support for New Leica M Lenses:

3. • Added full compatibility for newly released Leica M lenses with updated 6-bit codes.

   • Enhanced communication and metadata recording for these lenses.

Bug Fixes

1.    Improved Autofocus Consistency:

1. • Addressed occasional inconsistencies in autofocus performance when using certain lenses.

   • Enhanced subject tracking in challenging lighting scenarios.

2.    Leica FOTOS Connectivity:

2. • Improved stability and reliability when connecting to the Leica FOTOS app.

   • Faster pairing and reconnection for smoother remote shooting and file transfer.

3.    Stability Enhancements:

3. • Resolved rare cases of the camera freezing during extended use.

   • Improved performance when switching between photo and video modes.

4.    Video Recording Adjustments:

4. • Fixed minor glitches that could occur during long video recording sessions.

   • Enhanced compatibility with external recording devices via HDMI.

General Enhancements

• Improved overall system stability for a smoother user experience.

• Minor refinements to menu navigation and responsiveness.

Impact of Firmware Version 5.2

This update focused on incremental improvements to usability and compatibility, particularly with new hardware such as the BP-SCL6 battery and updated Leica M lenses. The removal of lens current limitations and bug fixes further streamlined the SL2's performance, making it a more robust tool for professional and enthusiast photographers and videographers alike.

 

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Leica SL2 Firmware Version 6.0.0 (Released December 08, 2023)

New Features

1. Continuous Shooting with Activated Perspective Control:
   • Enabled continuous shooting with Perspective Control at 2 fps and 6 fps for the SL2, and 2 fps and 5 fps for the SL2-S.
     
2. Lock Function for White Balance and ISO Settings:
   • Introduced a lock function for Auto ISO and Auto White Balance during video recording, ensuring consistent settings until recording is stopped or settings are changed via the menu.

Extended Functionality

1. New Submenu Item - Flash Mode:
   • Added a "Flash Mode" option under Flash Settings for more control over flash operations.
     
2. AF Quick Setting Only:
   • Added the "AF Quick Setting Only" option to the menu for streamlined autofocus adjustments.
     

3. Touch AF in EVF:
   • In Touch AF mode, this feature prevents accidental movement of the AF frame while still allowing Touch AF functions to be used.
     
4. Favorites Menu Enhancements:
   • Added new items to the Favorites menu for quicker access to frequently used settings.
     

5. Thumbwheel and Joystick Customization:
   • Introduced new functionality for the thumbwheel as a function button and expanded assignment options for the joystick, enhancing customization.

Improvements

1. Enhanced GPS Accuracy:
   • Significantly improved GPS accuracy for recording shooting locations, ensuring more precise geotagging.
     

2. Revised Play Menu:
   • Replaced the "Delete All" option with "Delete Unrated" to prevent accidental deletion of all images.
     
3. Drive Mode Renaming:
   • Renamed settings within the Drive Mode menu for clearer understanding and usability.
     

4. Self-Timer Accessibility:
   • Moved the Self-Timer to a main menu item, allowing it to be combined with other shooting modes for easier access.

Bug Fixes

• Addressed various firmware issues to enhance overall camera stability and performance.

This update aimed to provide users with enhanced control over shooting settings, improved customization options, and increased accuracy in geotagging, thereby enriching the overall shooting experience with the Leica SL2 and SL2-S cameras.

 

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Leica SL2 Firmware Version 6.1.0 (Released December 12, 2024) (This is the most recent FW update as of the date of this writing, 2024.12.24)

Feature Upgrades

1. Extended Lens Compatibility:
   • Added support for new lenses, ensuring optimal performance and communication with the latest optics.

2. Improved Eye Detection in Video Mode:
   • Enhanced eye detection accuracy during refocusing in video mode, particularly when using AF mode with L-Log, resulting in more reliable subject tracking.

3. Joystick Magnification in Manual Focus:
   • Restored the ability to use the joystick for image magnification in manual focus mode, facilitating precise focus adjustments.

Bug Fixes

1. Profoto Connect Pro Connectivity:
   • Resolved an error that occurred when connecting to the Profoto Connect Pro, ensuring stable and reliable flash synchronization.

2. Leica FOTOS App Connection:
   • Fixed an issue where the Leica FOTOS app was unable to connect if another smartphone was already connected to the camera via Wi-Fi, improving overall connectivity.

3. User Profile Management:
   • Prepared for future firmware updates by ensuring that existing settings for user profiles, language, time, and date are automatically retained during updates to version 2.0.0 and later.

General Enhancements

• Menu Navigation:
  • Introduced a "Back" button at the top left corner of the camera menu for improved navigation.

  • Integrated the WLAN menu item into Camera Settings and added a new flash icon for better user interface clarity.

• Control Center Optimization:
  • Optimized the positioning of connectivity icons (Bluetooth, Wi-Fi, cable) in the Control Center for more intuitive access.

• Storage Options:
  • Enhanced the DNG+JPG on CFe and SD (Backup) storage option by displaying a warning message if one of the memory cards is unavailable, ensuring users are aware when backup options are compromised.

• Blackout Time Reduction:
  • Reduced blackout time for single shots from approximately 310 ms to around 250 ms, allowing for quicker shooting readiness.

• Review Mode Improvements:
  • Improved user interaction for the deletion of multiple shots, streamlining the image review process.

• Exif 3.0 Support:
  • Added support for Exif 3.0 and GPS version 2.4.0.0, ensuring comprehensive metadata recording.

• Mechanical Shutter Usage:
  • When using the hybrid shutter, the camera now utilizes the mechanical shutter for speeds of 1/5000 s, 1/6400 s, and 1/8000 s, enhancing image quality at high shutter speeds.

This firmware update aimed to enhance the Leica SL2 and SL2-S cameras' performance, expand lens compatibility, and improve user experience through various interface and functionality refinements.

 

--------------------------------------------------------------------------------------------------------------------------------------------------------------------

[LocalHero1953]

 

14 minutes ago, Tinbird said:

I suspect many of you reading this are in the same position, even if you're unaware of it or haven't really paid much attention to it.

Sadly I am unaware of it, and shall remain inattentive to the manual. I have never read it, just referred to it for the small minority of features I can't work out from the camera controls and menus. My instinct with a new camera is to get it out of the box and (a) take photos (b) press all the buttons and see what happens (c) work through the menu switching off every feature I don't want (there are rarely, if ever, features turned off by default that I might want).
Of my digital Leicas:

• M9: never looked at it. It was the intuitive operation that delighted me after various Canons and Nikons.
• M240: I think I referred to it to check a couple of functions (how to use video, use of liveview).
• TL2: I looked at the manual more than for most cameras, to work out the novel touchscreen menu system and customisation.
• CL: never looked at it.
• SL: looked at it once, when I got stuck in video.
• SL2/SL2-S: rarely looked at it, perhaps for oddities like multishot (which I hardly use)
• Q2: another one like the M9 - a delight of intuitive operation.
• Q3 43: have not looked at it yet.

But everyone learns in their own way, so I'm sure a complete, edited, up to date PDF manual will be useful to many.

[Bikie John]

38 minutes ago, Tinbird said:

I posted a comment the other day, complaining about the complete absence of any archives of previous firmware updates (i.e. only the current, most recent singular FW update is available, and that includes even the absence of any "Release Notes" of previous FW updates (Leica "Release Notes" describe - usually in a very cursory manner - the features introduced and bugs fixed with each FW update). Surprisingly, this rather important information (what, exactly, was added and fixed with each previous FW update) is apparently unavailable anywhere on the web - I've searched for hours to no avail. Although I'm diligent about actually keeping all of my cameras (and lenses) updated with the latest FW releases, regrettably, I haven't been as diligent about documenting the changes, and I simply can't remember all of the new features that were introduced and all of the bugs that were fixed with each new FW update, and as such, I really can't take full advantage of the "enhanced" capabilities of my camera(s). I suspect many of you reading this are in the same position, even if you're unaware of it or haven't really paid much attention to it. Pedantic as it may sound, and since it's not available anywhere else, I'd also like to update/edit the .pdf versions of my Leica Camera Instruction Manuals to reflect the changes introduced with each of the nine FW updates that have so far been issued for the SL2 (as of the time I'm writing this). The detailed information I'm sharing below (which goes way beyond what the typical official Leica Firmware "Release Notes" provide) will greatly assist me in this project.

<Snip for brevity>

Many thanks for doing this monster piece of work. It looks like a really useful resource, it's just a shame that we have to do it for ourselves. It wouldn't be that difficult for Leica to add the info incrementally with each release and have it available somewhere on the support section of their website. And to be a bit more forthcoming about what the changes actually are.

I am somewhere between @Tinbird and @LocalHero1953 in using the manuals. I usually have a look through when I first get a new machine just to make sure I know where all the buttons are and roughly what they do, and then rely on experience to figure out how to actually use the camera. But I often refer to it for details. For example I might well change a few button settings, then it is useful to be able to refer back to the manual to check what the defaults are.

I still feel quite strongly that where there are significant changes to the user interface, there should be a revised version of the manual. For example Perspective Control was introduced by a firmware update (version 5.0 in September 2022 according to the list) but my copy of the SL2-S manual, downloaded in March 2023, makes no mention of of it. It is fairly simple to use but not entirely intuitive, so it really needs a paragraph or two in the manual.

Thanks again for doing the work.

John

[LocalHero1953]

I agree that if Leica is to provide an online manual then it ought to be up to date with current features.

[Homo Faber]

vor 10 Minuten schrieb LocalHero1953:

I agree that if Leica is to provide an online manual then it ought to be up to date with current features.

You are absolutely right. That should actually be a matter of course.

[Ken Abrahams]

I had to remove and replace the SL3 Fotos connections. The SL2S seemed to be okay but no matter what I did i could not get SL3 to connect with Fotos. Even when connecting SL3 by cable to the phone the advice was "cannot connect to camera."  Previously I have been out shooting with SL2S and SL3 swapping here and there with different lenses and the geotagging worked flawlessly for both cameras. I have never had the two working so well and the SL3 was superb with tagging, no glitching whatsoever. After the the firmware it would not work so I deleted the camera from the app and started from scratch but that didnt help so I made sure the SL2S wifi was off and tried connecting by cable to the SL3 and I dont know what I did but it worked and I am now connected for geotagging again. I will have to check how it works out in the field, when I change cameras here and there. 

Ken

[hoolyproductions]

5 hours ago, Ken Abrahams said:

Previously I have been out shooting with SL2S and SL3 swapping here and there with different lenses and the geotagging worked flawlessly for both cameras.

FWIW I have both these cameras and have had no issues with Fotos since the firmware update. I don't use them concurrently like you do (I take one or the other) but I've had no issue re-connecting with Fotos, geotagging or downloading imafes. Hope you get it solved.

[Ken Abrahams]

On 1/7/2025 at 3:47 PM, hoolyproductions said:

FWIW I have both these cameras and have had no issues with Fotos since the firmware update. I don't use them concurrently like you do (I take one or the other) but I've had no issue re-connecting with Fotos, geotagging or downloading imafes. Hope you get it solved.

Good to know Hooly, as I said after deleting the connection and re connecting Fotos and SL3 has solved the problem. The SL 3 performed well yesterday and all GPS data saved. It remains to be seen if both cameras used at the same time will maintain the connection to fotos.  I googled this this morning

iPhone

"Up to seven Bluetooth devices can connect to an iPhone, but only three or four can connect at once."

 

Cheers

  

[BillCB]

I routinely connect my SL-3 and M11-P simultaneously. Photos records/geotags both just fine.

[peepingpok]

Hello fellow Leica SL2/SL2-S users,

I've downloaded the latest firmware 6.1 for the SL2-s via my Mac, however, when I want to update in the camera, the camera does not recognize the file. I've had several attempts by now and also before I've updated previous firmware versions without any issues. Has anyone faced the same? Any good suggestions?

Another interesting thing is that the name and extension of the downloaded file is SL2S_610.lfu.download, and no matter what I do, I cannot change the file extension to simply read.lfu.

Any support/suggestion is highly appreciated.

Cheers

[peepingpok]

3 minutes ago, peepingpok said:

Hello fellow Leica SL2/SL2-S users,

I've downloaded the latest firmware 6.1 for the SL2-s via my Mac, however, when I want to update in the camera, the camera does not recognize the file. I've had several attempts by now and also before I've updated previous firmware versions without any issues. Has anyone faced the same? Any good suggestions?

Another interesting thing is that the name and extension of the downloaded file is SL2S_610.lfu.download, and no matter what I do, I cannot change the file extension to simply read.lfu.

Any support/suggestion is highly appreciated.

Cheers

Please disregards, it seems that I've found a workaround, I simply downloaded the file to "downloads" first and then moved to the SD card, and it worked. Still strange though why I could not just download it directly on my SD card with the correct file extension.

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[hdmesa]

12 hours ago, peepingpok said:

I've downloaded the latest firmware 6.1 for the SL2-s via my Mac, however, when I want to update in the camera, the camera does not recognize the file. I've had several attempts by now and also before I've updated previous firmware versions without any issues. Has anyone faced the same? Any good suggestions?

Another interesting thing is that the name and extension of the downloaded file is SL2S_610.lfu.download, and no matter what I do, I cannot change the file extension to simply read.lfu.

 

12 hours ago, peepingpok said:

...Still strange though why I could not just download it directly on my SD card with the correct file extension.

The ".download" file extension tells you that the file is still downloading. Once downloaded, that file extension gets removed automatically by the Mac OS. It could be the original file download was interrupted, leaving it with the incomplete ".download" file extension.

Edited January 16 by hdmesa

[hoolyproductions]

On 12/23/2024 at 5:48 AM, Ken Abrahams said:

1/16000 sec with A Mode

New firmware just came out today and this is listed as fixed