OM-3vs BF
OM System
OM-3 (2024)
Starting from £999 new
Best for Travel, outdoor & adventure photography
View OM-3
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?
Travel, Outdoor & Adventure Photography — OM-3 (2024): The ideal mid-range OM System camera — weather sealed, class-leading IBIS, and superb computational features in a compact body.
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-3 (2024)
- Outdoor and adventure photographers who need weather sealing and compact size
- Wildlife and bird photographers wanting improved AF over the OM-5
- Travel shooters who want a rugged, lightweight MFT system
- OM-5 or E-M5 III owners wanting better autofocus without going to the OM-1
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 om-3 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-3 (2024) | BF (2025) |
|---|---|---|
| Price | £999 | £1,799 |
| Sensor | 20.4MP Live MOS Micro Four Thirds | 24MP full-frame BSI CMOS |
| Resolution | 20.4MP | 24.0MP |
| Video | 4K/60p (10-bit), C4K/30p, 1080p/120p | 4K/30p, 1080p/60p |
| Autofocus | Phase-detect AF — subject recognition (human, animal, bird, vehicle) | Phase-detect AF — face and eye detection |
| Stabilisation | IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) | 5-axis IBIS — 7 stops |
| Burst Rate | 10fps mechanical, 30fps electronic with AF | 9fps electronic |
| Battery Life | ~400 shots (CIPA) | ~400 shots (CIPA) |
| Weight | 414g (with battery) | 427g body only |
| Dimensions | 122.3 × 84.6 × 49.4mm | 127.0 × 75.0 × 45.0mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | 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 | Single SD UHS-II slot | Single UHS-II SD slot |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | OM-3 | BF |
|---|---|---|
| Travel | ||
| Wildlife | — | |
| Landscape | ||
| Street | ||
| Portrait | ||
| Vlogging & Video | ||
| 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