Leica SL3-S is a full-frame mirrorless hybrid camera built for photographers and filmmakers who need fast performance, strong video tools, professional handling and the Leica L Mount ecosystem.
Released in January 2025, the Leica SL3-S is positioned as the faster, more video-focused sibling of the higher-resolution Leica SL3. Instead of chasing maximum megapixels, it uses a 24MP full-frame BSI CMOS sensor designed for speed, autofocus, low-light flexibility and advanced video recording.
The camera records 6K open-gate video, supports L-Log, offers ProRes HQ modes and includes full-frame and APS-C recording options. Your supplied data lists the Leica SL3-S with a 36 x 24 mm sensor, L Mount, ISO 400 base sensitivity, 768g weight and compact professional dimensions of 141 x 108 x 83 mm.
The supplied test data also shows a maximum dynamic range of 12.1 stops at SNR=2 in 6K 3:2 open-gate mode and a best rolling-shutter result of 19.8 ms in full-sensor 6K 17:9 ProRes HQ.
Key Leica SL3-S Specifications
| Feature | Leica SL3-S |
|---|---|
| Camera type | Full-frame mirrorless hybrid camera |
| Release period | January 2025 |
| Sensor format | Full Frame 35mm |
| Sensor size | 36 x 24 mm |
| Sensor resolution | 24MP class |
| Lens mount | L Mount |
| Base sensitivity in supplied data | ISO 400 |
| Maximum supplied video | 6K 3:2 open gate, 5952 x 3968 |
| Internal codecs | H.265 LongGOP, ProRes HQ and others |
| Log profile | L-Log |
| Supplied open-gate recording | 6K 3:2 up to 29.97p |
| Supplied open-gate bitrate | 200 Mb/s |
| Supplied colour sampling | 4:2:0 |
| Supplied bit depth | 10-bit |
| Stabilization | In-body image stabilization |
| Supplied weight | 768g |
| Supplied dimensions | 141 x 108 x 83 mm |
| Supplied price | $5,665 before tax/VAT |
| Tested dynamic range | Up to 12.1 stops at SNR=2 |
| Best tested rolling shutter | 19.8 ms |
The Leica SL3-S is best understood as a premium full-frame workhorse. It is not the highest-resolution Leica SL body, but it is the better choice for users who prioritise speed, video, autofocus and hybrid production.
24MP Full-Frame Sensor
The Leica SL3-S uses a 24MP-class full-frame sensor.
This resolution gives the camera a practical balance between still-photo quality, low-light capability, file size and video readout. It is not aimed at photographers who need the maximum crop flexibility of a 60MP sensor. Instead, it is aimed at creators who want responsive performance and strong hybrid output.
For still photography, 24MP remains enough for portraits, events, weddings, documentary work, travel, editorial assignments, web publishing and medium-to-large prints. The files are easier to manage than higher-resolution RAW files, especially for fast workflows.
Why 24MP Makes Sense
A 24MP sensor is often the sweet spot for hybrid cameras.
It gives enough detail for professional stills while helping the camera deliver faster video readout and better all-round performance. For creators who shoot both photos and video in the same job, this balance is often more useful than very high resolution.
Leica L Mount
The Leica SL3-S uses the L Mount.
This gives users access to Leica SL lenses and compatible L Mount lenses from other alliance partners. The system includes premium primes, fast zooms, compact lenses and cinema-friendly options.
The L Mount is one of the camera’s biggest strengths because it gives the SL3-S both Leica-native glass and broader system flexibility.
Lens Choice Matters
The Leica SL3-S can be used with high-end Leica lenses for premium stills and video.
For filmmakers, lens choice affects autofocus, manual focus feel, optical rendering, stabilization behaviour and overall image character. For photographers, the L Mount gives access to portrait, landscape, travel, studio and documentary lens options.
6K Open-Gate Video
The headline video feature of the Leica SL3-S is 6K 3:2 open-gate recording.
Your supplied data lists 6K open gate at 5952 x 3968, using the full-frame 35mm sensor area. The supplied recording modes include 29.97p, 25p, 24p and 23.98p in H.265 LongGOP at 200 Mb/s, 4:2:0 10-bit.
Open-gate recording is important because it captures the full sensor height instead of limiting the frame to standard 16:9 or 17:9 video. This gives creators more flexibility for vertical, horizontal and social-first delivery.
Main 6K Open-Gate Recording Options
| Sensor Mode | Resolution | Aspect Ratio | Codec | Frame Rate | Datarate | Sampling | Bit Depth |
| 35mm | 5952 x 3968 | 3:2 | H.265 LongGOP | 29.97p | 200 Mb/s | 4:2:0 | 10-bit |
| 35mm | 5952 x 3968 | 3:2 | H.265 LongGOP | 25p | 200 Mb/s | 4:2:0 | 10-bit |
| 35mm | 5952 x 3968 | 3:2 | H.265 LongGOP | 24p | 200 Mb/s | 4:2:0 | 10-bit |
| 35mm | 5952 x 3968 | 3:2 | H.265 LongGOP | 23.98p | 200 Mb/s | 4:2:0 | 10-bit |
For creators who deliver to multiple platforms, 6K open gate is one of the most useful modes on the SL3-S.
Why Open Gate Matters
Open gate helps creators record once and reframe later.
A filmmaker can shoot a full-height 3:2 image and crop it into 16:9 for YouTube, 9:16 for TikTok or Instagram Reels, 1:1 for social posts, or 17:9 for cinematic delivery. This saves time and gives editors more flexibility.
Open gate also helps when using anamorphic lenses or when a production needs both vertical and horizontal content from the same take.
6K 17:9 and 6K 16:9 Recording
The Leica SL3-S also supports several 6K recording formats beyond open gate.
Your supplied recording-format list includes:
| Recording Format | Resolution |
| 6K 3:2 Open Gate | 5952 x 3968 |
| 6K 17:9 H.265 | 5952 x 3136 |
| 6K 17:9 ProRes | 5776 x 3056 |
| 6K 16:9 | 5888 x 3312 |
These options make the camera flexible for different workflows. Open gate is best for reframing. 17:9 is useful for cinema-style delivery. 16:9 is practical for standard video platforms.
ProRes HQ Recording
The Leica SL3-S supports ProRes HQ recording in the supplied test data.
Your supplied dynamic range and rolling-shutter results include ProRes HQ modes in 6K 17:9 and 4K 17:9 DCI. ProRes HQ is important because it is editing-friendly and widely used in professional post-production workflows.
Compared with long-GOP codecs, ProRes creates larger files but is easier to edit and more robust for grading.
Why ProRes HQ Helps
ProRes HQ is useful for professional video work.
It reduces the stress on editing systems compared with heavily compressed codecs and gives post-production teams a cleaner workflow. For interviews, commercials, documentaries, branded content and music videos, ProRes can save time in editing.
L-Log and Dynamic Range
The Leica SL3-S supports L-Log for video recording.
L-Log is a flat profile designed to preserve highlight and shadow detail for colour grading. It is useful when shooting high-contrast scenes or when the final project needs a controlled professional grade.
Your supplied test data shows the Leica SL3-S reaching a maximum dynamic range of 12.1 stops at SNR=2 in 6K 3:2 open-gate mode at 25fps, using H.265, ISO 400 and L-Log with sharpness set to -2.
Tested Dynamic Range Results
| Sensor Mode | Resolution | Codec | Frame Rate | ISO | Gamma | SNR=2 | SNR=1 | Comment |
| 6K 3:2 Open Gate | 5952 x 3968 | H.265 | 25p | 400 | L-Log | 12.1 stops | 13.2 stops | Sharpness -2 |
| 6K 17:9 | 5776 x 3056 | ProRes HQ | 25p | 400 | L-Log | 11.9 stops | 12.9 stops | Sharpness -2 |
| 4K 17:9 DCI | 4096 x 2160 | ProRes HQ | 25p | 400 | L-Log | 12.0 stops | 13.0 stops | Sharpness -2 |
These results show that the SL3-S performs consistently across its main full-frame video modes. The open-gate mode produces the best supplied SNR=2 result, while 4K DCI ProRes HQ remains very close.
Rolling Shutter Performance
Rolling shutter affects how footage looks when the camera moves quickly or when fast subjects pass across the frame.
Your supplied data shows the Leica SL3-S reaching its best rolling-shutter result of 19.8 ms in full-sensor 6K 17:9 ProRes HQ at 25fps. The 4K 17:9 DCI ProRes HQ mode measures 20.6 ms, while 6K 3:2 open gate measures 25.9 ms.
Tested Rolling Shutter Results
| Sensor Mode | Resolution | Codec | Frame Rate | Rolling Shutter | Comment |
| Full Sensor | 5776 x 3056 | ProRes HQ | 25p | 19.8 ms | 6K 17:9 |
| Full Sensor | 4096 x 2160 | ProRes HQ | 25p | 20.6 ms | 4K DCI |
| Full Sensor | 5952 x 3968 | H.265 | 25p | 25.9 ms | Open Gate |
These figures mean the SL3-S is suitable for controlled handheld work, interviews, documentary filming, commercial projects and normal camera movement. For fast whip-pans or action-heavy filming, users should move the camera carefully or choose the mode with lower rolling shutter.
4K DCI and 4K UHD Video
The Leica SL3-S supports 4K DCI and 4K UHD recording.
Your supplied recording-format list includes:
| Recording Format | Resolution |
| 4K 17:9 DCI | 4096 x 2160 |
| 4K 16:9 UHD | 3840 x 2160 |
| APS-C 4K 17:9 DCI | 4096 x 2160 |
| APS-C 4K 16:9 UHD | 3840 x 2160 |
4K remains important because it is easier to store, edit and deliver than 6K. Many professional projects still finish in 4K or 1080p, so 4K DCI and UHD modes are practical everyday options.
Why 4K Still Matters
Not every project needs 6K.
For interviews, events, corporate video, YouTube, documentaries and social media, 4K is often enough. It reduces file size, eases editing and still delivers high-quality output.
Full HD and High-Speed Recording
The Leica SL3-S also supports Full HD recording, including high-frame-rate modes.
Your supplied recording-format list includes HD at 1920 x 1080 and HD 150p+ at 1920 x 1080. These modes are useful when creators need slow motion or smaller files.
High-frame-rate Full HD is useful for sports details, product movement, fashion clips, travel B-roll, event highlights and creative motion sequences.
APS-C Recording Modes
The Leica SL3-S includes APS-C crop recording options.
Your supplied list includes APS-C 3.3K 4:3, APS-C 4K DCI, APS-C 4K UHD, APS-C HD and APS-C HD 150p+ modes. These modes can be useful when working with APS-C lenses, when extra reach is needed, or when a production wants a tighter field of view.
APS-C Recording Formats
| APS-C Recording Format | Resolution |
| APS-C 3.3K 4:3 | 3328 x 2496 |
| APS-C 4K 17:9 DCI | 4096 x 2160 |
| APS-C 4K 16:9 UHD | 3840 x 2160 |
| APS-C HD | 1920 x 1080 |
| APS-C HD 150p+ | 1920 x 1080 |
APS-C modes make the camera more flexible, especially for hybrid users who own lenses across different formats.
Full-Sensor Photo Resolution
The supplied camera data lists full-sensor still-photo resolution at 6000 x 4000.
That fits the camera’s 24MP-class design. It gives enough detail for professional stills while keeping files manageable for event, travel, documentary and editorial work.
This is one of the biggest differences between the SL3-S and high-resolution cameras. The SL3-S focuses on speed and hybrid performance rather than maximum still resolution.
Autofocus and Speed
The Leica SL3-S uses a modern phase-detection autofocus system.
The camera is designed for faster subject tracking and hybrid shooting. This matters for creators who shoot moving people, events, interviews, documentaries and fast-paced assignments.
The SL3-S can also shoot stills at high speed, making it more versatile than older Leica SL models for action and event work.
Why Autofocus Matters
Hybrid creators often move between stills and video.
A camera with reliable autofocus helps reduce missed shots and makes solo shooting easier. For interviews, events, weddings, behind-the-scenes work and social content, strong autofocus is a practical advantage.
In-Body Image Stabilization
The Leica SL3-S includes in-body image stabilization.
IBIS helps reduce camera shake when shooting handheld photos and video. It is especially useful with unstabilized lenses, slower shutter speeds and handheld documentary-style filming.
For video users, stabilization can make handheld footage look smoother, although it does not replace a tripod, gimbal or careful technique for every situation.
Body Design and Handling
The Leica SL3-S keeps the premium SL body style.
Your supplied data lists the body at 768g with dimensions of 141 x 108 x 83 mm. That makes it lighter than some large cinema-style cameras but still substantial enough for professional handling.
The camera is designed for users who want a durable, minimalist and premium body rather than a small entry-level mirrorless camera.
Why the SL Body Appeals to Professionals
The Leica SL body style is clean, solid and direct.
It works well for photographers and filmmakers who prefer a simple control layout, high-quality viewfinder experience and a body that feels built for long-term professional use.
Memory Cards and Storage
The Leica SL3-S supports professional storage workflows.
The camera is designed around high-resolution video and professional stills, so fast media is important. Users recording 6K, ProRes HQ or high-bitrate modes should use reliable cards or supported external storage.
6K open gate and ProRes files can become large quickly. Good media planning is part of using the SL3-S effectively.
Practical Storage Advice
Use high-quality memory cards and plan backups carefully.
For professional jobs, bring more storage than expected. Video files, especially ProRes, can fill cards quickly. A reliable backup workflow is essential for weddings, commercial shoots and documentary projects.
Price and Value
Your supplied data lists the Leica SL3-S at $5,665 before sales tax or VAT.
That positions it as a premium full-frame hybrid camera. It is not a budget option, and buyers should consider the full system cost, including L Mount lenses, memory cards, batteries, cages, audio tools and storage.
The SL3-S offers value for users who want Leica build quality, 6K open gate, L-Log, ProRes options, full-frame stills and professional hybrid performance in one body.
Who Should Buy the Leica SL3-S?
The Leica SL3-S is best for creators who want a premium full-frame hybrid camera with strong video features and a professional stills workflow.
It makes sense for:
Documentary filmmakers
Commercial videographers
Hybrid wedding shooters
Editorial photographers
Leica SL system users
L Mount lens owners
Creators who need 6K open gate
Filmmakers who want L-Log and ProRes |
Photographers who prefer 24MP speed over 60MP resolution
Professionals who want one body for stills and video
It may not be ideal for budget buyers, casual users, sports shooters who need the fastest sensor readout, or photographers who need very high-resolution still files.
Leica SL3-S Strengths and Weaknesses
The biggest strengths of the Leica SL3-S are 6K open-gate recording, full-frame capture, L-Log, ProRes HQ options, strong tested dynamic range, premium build, L Mount flexibility and hybrid stills/video performance.
The camera is especially attractive for creators who need to deliver content in several aspect ratios from one shoot.
The main weaknesses are price, file sizes, rolling shutter in open-gate mode and the fact that 24MP may not satisfy photographers who want maximum still-image resolution. Users who mainly shoot high-resolution stills may prefer a higher-megapixel model.
Key Takeaways
- Leica SL3-S was released in January 2025.
- It uses a full-frame 36 x 24 mm sensor.
- The supplied still-photo resolution is 6000 x 4000.
- It uses the Leica L Mount.
- The supplied base sensitivity is ISO 400.
- The supplied weight is 768g.
- Supplied dimensions are 141 x 108 x 83 mm.
- The supplied price is $5,665 before tax/VAT.
- It records 6K 3:2 open-gate video at 5952 x 3968.
- Supplied 6K open-gate modes use H.265 LongGOP.
- Supplied open-gate bitrate is 200 Mb/s.
- Supplied open-gate recording is 4:2:0 10-bit.
- L-Log is supported for grading.
- The best supplied dynamic range result is 12.1 stops at SNR=2.
- The best supplied rolling-shutter result is 19.8 ms.
- ProRes HQ modes are included in supplied test results.
- Recording formats include 6K, 4K DCI, 4K UHD, HD and APS-C crop modes.
- It is best for premium hybrid stills and video users.
Frequently Asked Questions
What is the Leica SL3-S?
Leica SL3-S is a full-frame mirrorless hybrid camera designed for professional still photography and video production, with 6K open-gate recording, L-Log and L Mount support.
When was the Leica SL3-S released?
The Leica SL3-S was released in January 2025.
What sensor does the Leica SL3-S use?
It uses a full-frame 35mm sensor measuring 36 x 24 mm.
What lens mount does the Leica SL3-S use?
The Leica SL3-S uses the L Mount.
Does the Leica SL3-S shoot 6K open gate?
Yes. The supplied data lists 6K 3:2 open-gate recording at 5952 x 3968.
What is open-gate recording?
Open-gate recording uses the full sensor area instead of a standard 16:9 crop. It gives editors more room to reframe footage for different aspect ratios.
Does the Leica SL3-S support L-Log?
Yes. The supplied test data lists L-Log in 6K open gate, 6K 17:9 and 4K DCI test modes.
What is the tested dynamic range of the Leica SL3-S?
Your supplied test data shows a maximum of 12.1 stops at SNR=2 in 6K 3:2 open-gate mode at 25fps using H.265, ISO 400 and L-Log.
What is the rolling-shutter result?
Your supplied test data shows a best rolling-shutter result of 19.8 ms in full-sensor 6K 17:9 ProRes HQ at 25fps.
Does the Leica SL3-S record ProRes?
Yes. Your supplied data includes ProRes HQ results in 6K 17:9 and 4K DCI modes.
Does the Leica SL3-S have APS-C crop modes?
Yes. The supplied recording-format list includes APS-C 3.3K, APS-C 4K DCI, APS-C 4K UHD and APS-C HD modes.
How much does the Leica SL3-S cost?
Your supplied data lists the Leica SL3-S at $5,665 before sales tax or VAT.
Is the Leica SL3-S good for video?
Yes. It is strong for video thanks to 6K open gate, L-Log, ProRes HQ options, 4K DCI, 4K UHD, APS-C crop modes and professional full-frame recording formats.
Is the Leica SL3-S good for photography?
Yes. It is good for photography, especially for users who prefer speed, manageable 24MP files, Leica colour, L Mount lenses and hybrid shooting over maximum still resolution.
Conclusion
Leica SL3-S is a premium full-frame hybrid camera for creators who want Leica build quality, L Mount flexibility and serious video features in one body.
Its strongest features are 6K 3:2 open-gate recording, L-Log, ProRes HQ options, 4K DCI, full-frame capture, APS-C crop modes and a tested dynamic range result of up to 12.1 stops at SNR=2. It also offers a practical 24MP still-photo workflow for photographers who value speed and file efficiency.
The camera is expensive, and its open-gate rolling shutter is slower than its best ProRes 17:9 result. It is also not the right choice for users who need the highest still-photo resolution. Even so, for professional hybrid creators who want one premium Leica body for stills, 6K video and flexible delivery formats, the Leica SL3-S is a powerful and highly capable option.
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