BFvs Sigma fp L
Sigma
BF (2025)
Starting from £1799 new
Best for Photographers who want to strip back every distraction
View BF
Sigma
Sigma fp L (2021)
Starting from £1999 new
Best for High-resolution creative & documentary shooters
View Sigma fp L
GearScore™ Verdict — Which should you buy?
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.
High-Resolution Creative & Documentary Shooters — Sigma fp L (2021): 61MP and phase-detect AF in the world's smallest full-frame body — the fp L is the most capable iteration of Sigma's extraordinary compact.
Who should buy what
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
Sigma fp L (2021)
- Commercial photographers who want 61MP in the world's smallest full-frame body
- Filmmakers using the fp L as a high-resolution cinema camera
- fp owners who need more resolution for large-format printing
- L-mount photographers who want extreme resolution in an ultra-compact form
Quick take: The sigma fp l has the highest resolution at 61mp; the bf is the most affordable; only the bf is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | BF (2025) | Sigma fp L (2021) |
|---|---|---|
| Price | £1,799 | £1,999 |
| Sensor | 24MP full-frame BSI CMOS | 61MP full-frame BSI CMOS |
| Resolution | 24.0MP | 61.0MP |
| Video | 4K/30p, 1080p/60p | 12-bit Cinema DNG RAW, 4K/24p |
| Autofocus | Phase-detect AF — face and eye detection | Phase-detect AF with face/eye detection |
| Stabilisation | 5-axis IBIS — 7 stops | None (lens-based only) |
| Burst Rate | 9fps electronic | 18fps electronic |
| Battery Life | ~400 shots (CIPA) | 200 shots (CIPA) |
| Weight | 427g body only | 427g body only |
| Dimensions | 127.0 × 75.0 × 45.0mm | 112.6 × 69.9 × 45.3mm |
| Weather Sealed | Yes | No |
| Viewfinder | EVF 0.75× 3.68M-dot | None (optional clip-on EVF available) |
| Screen | 3.15" fully articulating touchscreen — primary interface | 3.15" fixed touchscreen |
| Mount | L-mount (Leica/Panasonic/Sigma) | Leica L-mount |
| Memory Cards | Single UHS-II SD slot | Single SD UHS-II |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C 3.1, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | BF | Sigma fp L |
|---|---|---|
| Street | ||
| Travel | ||
| Portrait | ||
| Landscape | ||
| Sports | — | |
| Vlogging & Video | ||
| Sports & Action | — |
More comparisons with BF
Camera family history