OM-5vs Sigma fp
Sigma
Sigma fp (2019)
Starting from £1499 new
Best for Creative filmmakers & experimental photographers
View Sigma fp
GearScore™ Verdict — Which should you buy?
Outdoor & Adventure — OM-5 (2022): The toughest camera at this price — IP53 weather sealing and 7.5-stop IBIS built for adventure photographers.
Creative Filmmakers & Experimental Photographers — Sigma fp (2019): The smallest full-frame camera in the world — Cinema DNG RAW and L-mount flexibility in a pocket-sized body that rewards creative shooters.
Who should buy what
OM-5 (2022)
- Outdoor and adventure photographers who need a compact, weather-sealed body
- Travellers who want MFT's compact size with pro-level weather protection
- E-M5 III owners upgrading to OM System's improved subject detection
- Photographers who want strong IBIS and rugged build without OM-1 pricing
Sigma fp (2019)
- Filmmakers who want the world's smallest full-frame camera as a B or C camera
- Experimental photographers who want to build a unique, modular setup
- L-mount photographers who want an ultra-compact full-frame body
- Anyone who wants a conversation-starting camera that delivers serious results
Quick take: The sigma fp has the highest resolution at 25mp; the om-5 is the most affordable; only the om-5 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-5 (2022) | Sigma fp (2019) |
|---|---|---|
| Price | £899 | £1,499 |
| Sensor | 20.4MP Micro Four Thirds Live MOS | 24.6MP full-frame Bayer CMOS |
| Resolution | 20.4MP | 24.6MP |
| Video | 4K/60p, 4K/120p Cinema4K | 12-bit Cinema DNG RAW, 4K/24p, 1080p/120p |
| Autofocus | Phase-detect, 121 all-cross points, subject tracking | Contrast-detect AF with face/eye detection |
| Stabilisation | 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) | None (lens-based only) |
| Burst Rate | 30fps electronic, 10fps mechanical | 18fps electronic |
| Battery Life | ~370 shots (CIPA) | 200 shots (CIPA) |
| Weight | 414g body only | 422g body only |
| Dimensions | 122.3 × 87.6 × 49.7mm | 112.6 × 69.9 × 45.3mm |
| Weather Sealed | Yes | No |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | None |
| Screen | 3.0" fully articulating touchscreen | 3.15" fixed touchscreen |
| Mount | Micro Four Thirds | Leica L-mount |
| Memory Cards | Dual SD UHS-II slots | Single SD UHS-II + CFexpress Type B (via adapter) |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C 3.1, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | OM-5 | Sigma fp |
|---|---|---|
| Outdoor & Adventure | — | |
| Landscape | ||
| Travel | ||
| Wildlife | — | |
| Portrait | ||
| Sports & Action | ||
| Vlogging & Video | — | |
| Street | — |
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