Upgrade Guide
Sigma BF→Sigma fp
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the BF. Worth it if that specific upgrade aligns with what you shoot.
What's new in the fp
-
Burst rate18fps electronic vs 9fps electronic
Unchanged or similar
-
ResolutionSimilar (25MP)
-
StabilisationIBIS not present in new body
Suitability by genre
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | BF | fp | |
|---|---|---|---|
| Portrait | -1.2 | ||
| Street | -0.3 | ||
| Travel | -0.5 | ||
| Wedding & Events | -1.2 | ||
| Filmmaking | -0.8 | ||
| Documentary | -1.4 | ||
| Sports & Action | -0.4 | ||
| Landscape | -0.4 | ||
| Wildlife | -0.6 | ||
| Casual | -0.8 | ||
| Food | -0.9 | ||
| Macro | -0.5 | ||
| Architecture | -0.2 | ||
| Astrophotography | -0.5 | ||
| Fun & simple | — |
Full spec comparison
| Spec | BF | fp | |
|---|---|---|---|
| Price | £1,799 | £1,499 | |
| Released | 2025 | 2019 | ↓ |
| Sensor | 24MP full-frame BSI CMOS | 24.6MP full-frame Bayer CMOS | |
| Resolution | 24MP | 25MP | ↑ |
| Video | 6K/30p, 4K/30p, 1080p/120p, L-Log | 12-bit CinemaDNG RAW, 4K/30p, 1080p/120p | |
| Autofocus | Phase-detect AF — face and eye detection | Contrast-detect AF with face/eye detection | |
| Stabilisation | No IBIS (electronic IS for video) | None (lens-based only) | |
| Burst Rate | 9fps electronic | 18fps electronic | ↑ |
| Battery Life | ~400 shots (CIPA) | 200 shots (CIPA) | ↓ |
| Weight | 427g (body only) | 422g (body only) | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | None: rear screen only | No viewfinder | |
| Screen | 3.15" fixed touchscreen — primary interface | 3.15" fixed touchscreen | |
| Mount | L-mount (Leica/Panasonic/Sigma) | Leica L-mount | |
| Memory Cards | 230GB internal storage only — no card slot | Single SD UHS-II slot (plus external USB SSD recording) |
Compare side-by-side
⚖️ Compare these cameras
See BF and fp next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the fp against your specific genres — not just specs.
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Camera family history