Olympus
OM-D E-M5 III 2019
Best for Travel & lightweight outdoor photography
£699
list price · used from £413 at eBay
Decision tools · Compare
OM-D E-M5 III vs OM-3
Quick take: The OM-D E-M5 III is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
OM System
OM-3 2025
Best for Travel, outdoor & adventure photography
£1649
new today at Clifton Cameras
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Verdictwhich should you buy?
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.
OM-3 — Travel, Outdoor & Adventure Photography: The ideal mid-range OM System camera — weather sealed, class-leading IBIS, and superb computational features in a compact body.
Who should buy what
OM-D E-M5 III (2019)
is the right camera for you if…
- 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
OM-3 (2025)
is the right camera for you if…
- Outdoor and adventure photographers who need weather sealing and compact size
- Wildlife and bird photographers wanting improved AF over the OM-5
- Travel shooters who want a rugged, lightweight MFT system
- OM-5 or E-M5 III owners wanting better autofocus without going to the OM-1
Full specificationsthe better value in each row is highlighted
| Specification | OM-D E-M5 IIIOlympus · 2019 | OM-3OM System · 2025 |
|---|---|---|
| Price | £699Best | £1,649 |
| Sensor | 20.4MP Micro Four Thirds Live MOS | 20.4MP Live MOS Micro Four Thirds |
| Resolution | 20.4MP | 20.4MP |
| Video | 4K/30p, 1080p/120p | 4K/60p (10-bit), C4K/30p, 1080p/120p |
| Autofocus | Hybrid phase/contrast AF with face/eye detection | Phase-detect AF — subject recognition (human, animal, bird, vehicle) |
| Stabilisation | 7.5-stop 5-axis IBIS | IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) |
| Burst Rate | 30fps electronic / 10fps mechanicalBest | 10fps mechanical, 30fps electronic with AF |
| Battery Life | 390 shots (CIPA) | ~400 shots (CIPA)Best |
| Weight | 414g (body only) | 414g (with battery and card) |
| Dimensions | 125.3 × 85.2 × 49.7mm | 122.3 × 84.6 × 49.4mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.35" OLED EVF, 2.36M dots | EVF, 2.36M dots, 0.74× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.0" fully articulating touchscreen |
| Mount | Micro Four Thirds | Micro Four Thirds |
| Memory Cards | Single SD UHS-I | Single SD UHS-II slot |
| Connectivity | Micro USB, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
OM-D E-M5 III
OM-3
Portrait
6.4/10
7.3/10
Street
6.7/10
6.9/10
Travel
6.7/10
6.9/10
Wedding & Events
5.4/10
6.8/10
Vlogging & Video
6.3/10
6.7/10
Filmmaking
5.0/10
6.7/10
Documentary
6.2/10
7.9/10
Sports & Action
6.7/10
8.9/10
Landscape
5.9/10
6.2/10
Wildlife
7.4/10
9.0/10
Casual
6.7/10
5.8/10
Food
6.9/10
7.3/10
Macro
7.9/10
8.2/10
Architecture
6.0/10
6.3/10
Astrophotography
5.6/10
6.1/10
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 →
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