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Leica SL3-S Mirrorless Camera

The Leica 10643 is a 24MP full-frame mirrorless camera — with 4K video and in-body stabilization. Check GearFocus for current availability, with buyer protection on every purchase.

Leica SL3-S Mirrorless Camera

Leica SL3-S Mirrorless Camera

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Camera Overview — Leica 10643

The Leica SL3-S is a full-frame mirrorless camera built around a 24MP sensor and powered by the Maestro III image processor. It covers an ISO range of 50 to 50000, giving shooters meaningful flexibility across a wide range of lighting conditions. The autofocus system combines Contrast Detection, Face Detection, and Eye Detection AF across 225 focus points, with both eye tracking and subject tracking enabled for reliable acquisition of moving subjects.

Stills performance tops out at 10 frames per second in burst mode at a maximum resolution of 6000x4000 pixels, with sRGB and AdobeRGB color profiles available. On the video side, the SL3-S records up to 4K at 60fps in 10-bit depth, with V-Log and HLG color profiles built in — a solid feature set for professional video workflows. In-body sensor-shift image stabilization is included, while digital IS is not.

The body is constructed from magnesium alloy, measures 146 x 107 x 42 mm, weighs 835g, and carries a weather-sealed rating. Storage is handled via SDXC or CFexpress Type B cards. Connectivity includes Wi-Fi, Bluetooth, USB-C, Micro HDMI output, and both 3.5mm headphone and microphone jacks.

The 3.2-inch, 2.1M-dot LCD is paired with a 5.76M-dot electronic viewfinder running at 120Hz. The camera uses the L-Mount lens system and a Leica Standard TTL hot shoe. Battery life is rated at 370 shots per charge using the BP-SCL4 battery.

Key Features — Leica 10643

24MP Full-Frame Sensor: A 35mm full-frame sensor at 24MP delivers clean, detailed files well-suited to both stills and video workflows.

4K Video up to 60fps: Records 4K footage at up to 60 frames per second for smooth motion capture and slow-motion editing flexibility.

10-Bit V-Log & HLG: Native 10-bit recording with V-Log and HLG color profiles gives videographers substantial dynamic range and grading latitude.

In-Body Image Stabilization: Sensor-shift IBIS reduces camera shake across any L-Mount lens, including those without optical stabilization.

5.76M-Dot EVF: A high-resolution electronic viewfinder running at 120Hz provides a smooth, detailed view for precise composition and tracking.

Contrast-Detect AF System: Contrast-detect autofocus with face, eye, and subject tracking keeps subjects reliably in focus across the frame.

Camera Specifications — Leica 10643

Leica 10643 full specifications
SpecDetail
Use CasesPortrait, Landscape, Studio, Travel, Video / Cinematography
TypeMirrorless
SensorFull Frame (35mm)
Resolution24MP
ProcessorMaestro IV
ISO Range50 – 50000
AF SystemContrast Detection, Face Detection AF, Eye Detection AF
AF Points225
Max Photo Resolution6000x4000
Burst Rate10 fps
Max Video Resolution4K
Max Frame Rate60fps

Description — Leica 10643

The Leica SL3-S is a full-frame mirrorless camera centered on a 24MP sensor processed by the Maestro III engine. The ISO range runs from 50 to 50000, and burst shooting reaches 10 frames per second at 6000x4000 pixel resolution. The autofocus system spans 225 focus points using Contrast Detection alongside Face and Eye Detection AF, with both eye tracking and subject tracking active.

For video, the SL3-S delivers 4K at up to 60fps in 10-bit depth, with V-Log and HLG color profiles for log and HDR capture. Sensor-shift IBIS is built in. The 3.2-inch LCD at 2.1M dots pairs with a 5.76M-dot, 120Hz electronic viewfinder for comfortable shooting in both orientations. The magnesium alloy body measures 146 x 107 x 42 mm, weighs 835g, and is weather sealed.

Storage supports SDXC and CFexpress Type B cards. Connectivity covers Wi-Fi, Bluetooth, USB-C, Micro HDMI, and 3.5mm headphone and microphone jacks. The BP-SCL4 battery is rated at 370 shots per charge.

The camera operates on the L-Mount system with a Leica Standard TTL hot shoe.

Pros — Leica 10643

  • ✓High-resolution 5.76M-dot EVF with 120Hz refresh rate delivers a smooth, detailed optical experience
  • ✓4K video at up to 60fps with 10-bit depth supports professional color grading workflows
  • ✓V-Log and HLG color profiles (videoSpecs.colorProfiles) provide log and HDR capture options natively

Cons — Leica 10643

  • ✗Battery life rated at 370 shots (battery.batteryLife) is modest for a professional-tier full-frame body
  • ✗At 835g (bodyDesign.weight), the SL3-S is on the heavier side for a mirrorless camera
  • ✗Micro HDMI output (connectivity.hdmiOutput) is more fragile and less convenient than full-size HDMI for monitor use

Reviews — Leica 10643

Videos — Leica 10643

Why Would You Buy The Leica SL3-S? — PetaPixel

Resources & Downloads — Leica 10643

Manuals & Guides

Frequently Asked Questions — Leica 10643

What video formats and frame rates does the Leica SL3-S support?+
The SL3-S records up to 4K resolution at frame rates of 24fps, 30fps, and 60fps. Video is captured in 10-bit depth with V-Log and HLG color profiles available for professional grading and HDR workflows.
Does the SL3-S have in-body image stabilization?+
Yes, the SL3-S includes sensor-shift in-body image stabilization (IBIS). Digital IS is not present, so stabilization is handled entirely through the mechanical sensor-shift system.
What memory cards does the Leica SL3-S accept?+
The camera accepts both SDXC and CFexpress Type B cards, giving users the option to use widely available SD media or the faster CFexpress Type B format depending on their workflow needs.
What autofocus features does the SL3-S offer?+
The SL3-S uses a Contrast Detection system with Face Detection AF and Eye Detection AF across 225 focus points. Both eye tracking and subject tracking are supported, helping maintain focus on people and moving subjects.
What connectivity options are available on the SL3-S?+
The camera includes Wi-Fi, Bluetooth, USB-C, Micro HDMI output, and 3.5mm headphone and microphone jacks. This covers wireless transfer, tethering, external monitor output, and dedicated audio connections.
What lens mount does the Leica SL3-S use?+
The SL3-S uses the L-Mount system. It also features a Leica Standard TTL hot shoe for compatible flash and accessory attachment.

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