X-S20vs Leica SL3vs Sigma fp
Sigma
Sigma fp (2019)
From £1499
Best for Creative filmmakers & experimental photographers
View Sigma fp
Which should you buy?
Hybrid Photo & Video — X-S20 (2023): Fujifilm's most accessible X-series body — 7-stop IBIS, 6K video, 20 film simulations, and a user-friendly layout.
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.
Creative Filmmakers & Experimental Photographers — Sigma fp (2019): The smallest full-frame camera in the world — Cinema DNG RAW and L-mount flexibility in a pocket-sized body that rewards creative shooters.
Who should buy what
X-S20 (2023)
- You primarily create video content and want a capable but compact Fujifilm
- You're a vlogger, travel creator, or documentary shooter
- You want Fujifilm film simulations with strong, reliable video specs
Leica SL3 (2024)
- You want Leica image quality with the convenience of autofocus and interchangeable lenses
- You shoot portraits, commercial, or editorial and want the best Leica system camera
- You plan to use Leica M lenses via adapter alongside native SL glass
Sigma fp (2019)
- You're a filmmaker building a cinema rig where the smallest full-frame body is essential
- You want L-mount compatibility to pair with Sigma Art or Leica SL lenses
- You prioritise video and cinema colour over stills ergonomics and functionality
Quick take: The leica sl3 has the highest resolution at 60mp; the x-s20 is the most affordable; only the leica sl3 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | X-S20 (2023) | Leica SL3 (2024) | Sigma fp (2019) |
|---|---|---|---|
| Price | £849 | £6,499 | £1,499 |
| Sensor | 26.1MP APS-C X-Trans CMOS 4 | 60MP full-frame BSI CMOS | 24.6MP full-frame Bayer CMOS |
| Resolution | 26.1MP | 60.0MP | 24.6MP |
| Video | 6.2K/30p, 4K/60p, F-Log2, 10-bit | 8K/30p, 4K/60p, Apple ProRes | 12-bit Cinema DNG RAW, 4K/24p, 1080p/120p |
| Autofocus | Phase-detect, 425 points, subject tracking | Phase-detect AF with subject/face/eye detection | Contrast-detect AF with face/eye detection |
| Stabilisation | 5-axis IBIS, 7.0 stops | 7.5-stop IBIS | None (lens-based only) |
| Burst Rate | 8fps mechanical, 20fps electronic | 30fps electronic | 18fps electronic |
| Battery Life | ~750 shots (CIPA) | 410 shots (CIPA) | 200 shots (CIPA) |
| Weight | 491g body only | 875g body only | 422g body only |
| Dimensions | 126.0 × 85.1 × 65.4mm | 146.0 × 104.0 × 42.0mm | 112.6 × 69.9 × 45.3mm |
| Weather Sealed | No | Yes | No |
| Viewfinder | EVF, 2.36M dots, 0.62× magnification | 0.78" OLED EVF, 5.76M dots | None |
| Screen | 3.0" fully articulating touchscreen | 3.2" fixed touchscreen | 3.15" fixed touchscreen |
| Mount | Fujifilm X-mount | Leica L-mount | Leica L-mount |
| Memory Cards | Single SD UHS-I slot | Dual SD UHS-II | Single SD UHS-II + CFexpress Type B (via adapter) |
| Connectivity | USB-C 3.2, Bluetooth, Wi-Fi | USB-C 3.1, Wi-Fi, Bluetooth | USB-C 3.1, Wi-Fi, Bluetooth |
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