Leica SL2vs FX3

GearFrame · Updated March 2026

Leica Leica SL2 Leica Leica SL2 (2019) Starting from £4200 new Best for Commercial, landscape, video View Leica SL2
VS
Sony FX3 Sony FX3 (2021) Starting from £3799 new Best for Professional video, documentary & cinematic filmmaking View FX3

GearScore™ Verdict — Which should you buy?

Commercial, Landscape, Video — Leica SL2 (2019): Leica's most capable system camera — excellent for photographers who want L-mount glass access.

Professional Video, Documentary & Cinematic Filmmaking — FX3 (2021): The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.

↓ Full specifications below

Leica SL2 (2019)

  • Commercial photographers who want Leica quality with modern AF
  • Filmmakers who want Leica glass with video capability

FX3 (2021)

  • Professional videographers and filmmakers who need cinema-quality colour science in a compact body
  • Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
  • Sony A7S III owners who want a purpose-built video body alongside their stills camera
  • Gimbal and drone operators who need a compact full-frame cinema camera

Quick take: The leica sl2 has the highest resolution at 47mp; the fx3 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Leica SL2 (2019)FX3 (2021)
Price £4,200 £3,799
Sensor Full-frame CMOS 35mm 12.1MP full-frame BSI Exmor R CMOS (same as A7S III)
Resolution 47.3MP 12.1MP
Video 5K 30fps, 4K 60fps, 1080p 180fps 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone
Autofocus Contrast-detect AF, AI-based scene recognition Real-time tracking with subject recognition (human, animal)
Stabilisation 5-axis IBIS, 5.5 stops 5-axis IBIS — 5 stops
Burst Rate 20fps 10fps mechanical, 10fps electronic
Battery Life 370 shots (CIPA) ~640 shots (CIPA)
Weight 835g (body only) 715g body only (with XLR handle)
Dimensions 146.0 × 107.0 × 80.5mm 129.7 × 78.0 × 84.5mm
Weather Sealed Yes Yes
Viewfinder EVF 0.78× 5.76M-dot None — monitor/external EVF use only
Screen 3.2" fixed touchscreen, 2.10M-dot 3.0" touchscreen, fully articulating
Mount Leica L-Mount Sony FE mount (full-frame E-mount)
Memory Cards 2× SD UHS-II Dual CFexpress Type A / SD UHS-II slots
Connectivity Wi-Fi, Bluetooth, USB-C 3.1, HDMI full-size USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi
Genre Leica SL2FX3
Vlogging & Video
9.0
Portrait
7.0
Low Light
9.0
Street
4.0
Wedding
7.0
Travel
4.0
⚡ Compare specs side by side Leica SL2 prices → FX3 prices →

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