Leica SL2vs BF
Sigma
BF (2025)
Starting from £1799 new
Best for Photographers who want to strip back every distraction
View BF
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.
Photographers Who Want To Strip Back Every Distraction — BF (2025): The most radical camera in years — no dials, no buttons, just a flat aluminium body and total creative minimalism.
Who should buy what
Leica SL2 (2019)
- Commercial photographers who want Leica quality with modern AF
- Filmmakers who want Leica glass with video capability
BF (2025)
- Photographers who find camera menus and dials a distraction from the creative process
- L-mount system users who want the lightest, most minimal full-frame body available
- Design enthusiasts who value the object quality and philosophy as much as the output
- Sigma fp/fp L users ready for a more radical step toward minimal photography
Quick take: The leica sl2 has the highest resolution at 47mp; the bf is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Leica SL2 (2019) | BF (2025) |
|---|---|---|
| Price | £4,200 | £1,799 |
| Sensor | Full-frame CMOS 35mm | 24MP full-frame BSI CMOS |
| Resolution | 47.3MP | 24.0MP |
| Video | 5K 30fps, 4K 60fps, 1080p 180fps | 4K/30p, 1080p/60p |
| Autofocus | Contrast-detect AF, AI-based scene recognition | Phase-detect AF — face and eye detection |
| Stabilisation | 5-axis IBIS, 5.5 stops | 5-axis IBIS — 7 stops |
| Burst Rate | 20fps | 9fps electronic |
| Battery Life | 370 shots (CIPA) | ~400 shots (CIPA) |
| Weight | 835g (body only) | 427g body only |
| Dimensions | 146.0 × 107.0 × 80.5mm | 127.0 × 75.0 × 45.0mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.78× 5.76M-dot | EVF 0.75× 3.68M-dot |
| Screen | 3.2" fixed touchscreen, 2.10M-dot | 3.15" fully articulating touchscreen — primary interface |
| Mount | Leica L-Mount | L-mount (Leica/Panasonic/Sigma) |
| Memory Cards | 2× SD UHS-II | Single UHS-II SD slot |
| Connectivity | Wi-Fi, Bluetooth, USB-C 3.1, HDMI full-size | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | Leica SL2 | BF |
|---|---|---|
| Portrait | ||
| Landscape | ||
| Architecture | — | |
| Street | ||
| Wedding & Events | — | |
| Travel | ||
| Sports | — | |
| Vlogging & Video | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history