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Quick take: The OM-D E-M5 III has the highest resolution at 20MP; the OM-D E-M10 Mark II is the most affordable; only the OM-D E-M5 III is weather sealed.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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OM-D E-M5 III — Travel & Lightweight Outdoor Photography: 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.
| Specification | OM-D E-M10 Mark IIOlympus · 2015 | OM-D E-M5 IIIOlympus · 2019 |
|---|---|---|
| Price | £245Best | £699 |
| Sensor | 16.1MP Micro Four Thirds CMOS | 20.4MP Micro Four Thirds Live MOS |
| Resolution | 16.1MP | 20.4MPBest |
| Video | Full HD 1080p/60 | 4K/30p, 1080p/120p |
| Autofocus | 81-area contrast AF with face and eye detection, touch AF | Hybrid phase/contrast AF with face/eye detection |
| Stabilisation | 5-axis in-body stabilisation, 4 stops (CIPA) | 7.5-stop 5-axis IBIS |
| Burst Rate | 8.5fps (4fps with continuous AF) | 30fps electronic / 10fps mechanicalBest |
| Battery Life | ~320 shots (CIPA) | 390 shots (CIPA)Best |
| Weight | 399g (with battery)Best | 414g (body only) |
| Dimensions | 119.5 × 83.1 × 46.7mm | 125.3 × 85.2 × 49.7mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | OLED EVF, 2.36M dots, 1.23x | 0.35" OLED EVF, 2.36M dots |
| Screen | 3.0" tilting touchscreen, 1.04M dots | 3.0" fully articulating touchscreen |
| Mount | Micro Four Thirds | Micro Four Thirds |
| Memory Cards | Single SD slot | Single SD UHS-I |
| Connectivity | USB 2.0 multi-connector, micro HDMI, Wi-Fi, RM-UC1 remote | Micro USB, Wi-Fi, Bluetooth |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →