OM System OM-1 Mark IIvs BF
OM System
OM System OM-1 Mark II (2024)
Starting from £1999 new
Best for Wildlife, birds & outdoor sports
View OM System OM-1 Mark II
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?
Wildlife, Birds & Outdoor Sports — OM System OM-1 Mark II (2024): OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.
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
OM System OM-1 Mark II (2024)
- Wildlife and bird photographers who need the best subject tracking in MFT
- Sports photographers who want weather sealing and 50fps burst
- OM-1 owners looking for a meaningful autofocus upgrade
- Professionals who need pro-grade weather sealing in the lightest possible system
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 bf has the highest resolution at 24mp; the bf is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM System OM-1 Mark II (2024) | BF (2025) |
|---|---|---|
| Price | £1,999 | £1,799 |
| Sensor | 20MP Micro Four Thirds Live MOS | 24MP full-frame BSI CMOS |
| Resolution | 20.0MP | 24.0MP |
| Video | 4K/60p, 1080p/240p, 4K HLG | 4K/30p, 1080p/60p |
| Autofocus | AI subject detection AF (birds, animals, motorsport) | Phase-detect AF — face and eye detection |
| Stabilisation | 8.5-stop IBIS | 5-axis IBIS — 7 stops |
| Burst Rate | 120fps with AF tracking | 9fps electronic |
| Battery Life | 520 shots (CIPA) | ~400 shots (CIPA) |
| Weight | 599g body only | 427g body only |
| Dimensions | 134.8 × 91.6 × 72.7mm | 127.0 × 75.0 × 45.0mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.83" OLED EVF, 5.76M dots, 120fps | EVF 0.75× 3.68M-dot |
| Screen | 3.0" fully articulating touchscreen | 3.15" fully articulating touchscreen — primary interface |
| Mount | Micro Four Thirds | L-mount (Leica/Panasonic/Sigma) |
| Memory Cards | Dual SD UHS-II | Single UHS-II SD slot |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | OM System OM-1 Mark II | BF |
|---|---|---|
| Wildlife | — | |
| Sports & Action | — | |
| Landscape | ||
| Travel | ||
| Portrait | ||
| Vlogging & Video | ||
| Street | — | |
| Sports | — |
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