Leica SL3vs FX3
Leica
Leica SL3 (2024)
Starting from £6499 new
Best for Professional & luxury hybrid shooters
View Leica SL3
VS
Sony
FX3 (2021)
Starting from £3799 new
Best for Professional video, documentary & cinematic filmmaking
View FX3
GearScore™ Verdict — Which should you buy?
Professional & Luxury Hybrid Shooters — Leica SL3 (2024): Leica's most capable mirrorless — 60MP, 30fps burst, 8K ProRes, and 7.5-stop IBIS with L-mount's growing lens ecosystem.
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.
Who should buy what
Leica SL3 (2024)
- Leica photographers who want autofocus full-frame in the L-mount system
- SL2 owners upgrading to 60MP and improved autofocus performance
- Professionals who want Leica build quality with L-mount lens versatility
- Photographers who want to share lenses across Leica, Sigma, and Lumix bodies
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 sl3 has the highest resolution at 60mp; the fx3 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Leica SL3 (2024) | FX3 (2021) |
|---|---|---|
| Price | £6,499 | £3,799 |
| Sensor | 60MP full-frame BSI CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 60.0MP | 12.1MP |
| Video | 8K/30p, 4K/60p, Apple ProRes | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone |
| Autofocus | Phase-detect AF with subject/face/eye detection | Real-time tracking with subject recognition (human, animal) |
| Stabilisation | 7.5-stop IBIS | 5-axis IBIS — 5 stops |
| Burst Rate | 30fps electronic | 10fps mechanical, 10fps electronic |
| Battery Life | 410 shots (CIPA) | ~640 shots (CIPA) |
| Weight | 875g body only | 715g body only (with XLR handle) |
| Dimensions | 146.0 × 104.0 × 42.0mm | 129.7 × 78.0 × 84.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.78" OLED EVF, 5.76M dots | None — monitor/external EVF use only |
| Screen | 3.2" fixed touchscreen | 3.0" touchscreen, fully articulating |
| Mount | Leica L-mount | Sony FE mount (full-frame E-mount) |
| Memory Cards | Dual SD UHS-II | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C 3.1, Wi-Fi, Bluetooth | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Suitability by genre
| Genre | Leica SL3 | FX3 |
|---|---|---|
| Portrait | ||
| Landscape | — | |
| Vlogging & Video | ||
| Sports & Action | — | |
| Wedding & Events | — | |
| Travel | ||
| Low Light | — | |
| Street | — | |
| Wedding | — |
More comparisons with Leica SL3
Camera family history