Olympus OM-D E-M5 IIIvs Sigma fp
OM System
Olympus OM-D E-M5 III (2019)
Starting from £699 new
Best for Travel & lightweight outdoor photography
View Olympus OM-D E-M5 III
Sigma
Sigma fp (2019)
Starting from £1499 new
Best for Creative filmmakers & experimental photographers
View Sigma fp
GearScore™ Verdict — Which should you buy?
Travel & Lightweight Outdoor Photography — Olympus OM-D E-M5 III (2019): The lightest weather-sealed MFT camera — compact, travel-friendly, and capable with 7.5-stop IBIS in a body that fits in a jacket pocket.
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
Olympus OM-D E-M5 III (2019)
- Travel photographers who want a compact, weather-sealed MFT body
- Outdoor photographers upgrading from the E-M10 who want better sealing
- Enthusiasts who want strong IBIS in a lightweight, portable system
- Photographers who want a capable travel camera that won't weigh them down
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 olympus om-d e-m5 iii is the most affordable; only the olympus om-d e-m5 iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Olympus OM-D E-M5 III (2019) | Sigma fp (2019) |
|---|---|---|
| Price | £699 | £1,499 |
| Sensor | 20.4MP Micro Four Thirds Live MOS | 24.6MP full-frame Bayer CMOS |
| Resolution | 20.4MP | 24.6MP |
| Video | 4K/30p, 1080p/120p | 12-bit Cinema DNG RAW, 4K/24p, 1080p/120p |
| Autofocus | Hybrid phase/contrast AF with face/eye detection | Contrast-detect AF with face/eye detection |
| Stabilisation | 7.5-stop 5-axis IBIS | None (lens-based only) |
| Burst Rate | 30fps electronic / 10fps mechanical | 18fps electronic |
| Battery Life | 390 shots (CIPA) | 200 shots (CIPA) |
| Weight | 414g body only | 422g body only |
| Dimensions | 125.3 × 85.2 × 49.7mm | 112.6 × 69.9 × 45.3mm |
| Weather Sealed | Yes | No |
| Viewfinder | 0.35" OLED EVF, 2.36M dots | None |
| Screen | 3.0" fully articulating touchscreen | 3.15" fixed touchscreen |
| Mount | Micro Four Thirds | Leica L-mount |
| Memory Cards | Single SD UHS-I | Single SD UHS-II + CFexpress Type B (via adapter) |
| Connectivity | Micro USB, Wi-Fi, Bluetooth | USB-C 3.1, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | Olympus OM-D E-M5 III | Sigma fp |
|---|---|---|
| Travel | ||
| Street | ||
| Landscape | ||
| Portrait | ||
| Vlogging & Video | ||
| Sports & Action |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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