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Quick take: The OM-5 has the highest resolution at 20MP; the A5000 is the most affordable; only the OM-5 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-5 — Outdoor & Adventure: The toughest camera at this price — IP53 weather sealing and 7.5-stop IBIS built for adventure photographers.
| Specification | OM-5OM System · 2022 | A5000Sony · 2014 |
|---|---|---|
| Price | £899 | £78 usedBest |
| Sensor | 20.4MP Micro Four Thirds Live MOS | 20.1MP APS-C CMOS |
| Resolution | 20.4MPBest | 20.1MP |
| Video | 4K/30p, C4K/24p, OM-Log400 | Full HD 1080 (60i / 25p AVCHD), 1440×1080/30p MP4 |
| Autofocus | Phase-detect, 121 all-cross points, subject tracking | 25-point contrast AF with face detection |
| Stabilisation | 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) | No IBIS (lens-based stabilisation only) |
| Burst Rate | 30fps electronic, 10fps mechanicalBest | 3.5fps |
| Battery Life | ~370 shots (CIPA) | ~420 shots (CIPA)Best |
| Weight | 414g (body only) | 269g (with battery)Best |
| Dimensions | 122.3 × 87.6 × 49.7mm | 109.6 × 62.8 × 35.7mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | None (rear screen only) |
| Screen | 3.0" fully articulating touchscreen | 3.0" 180° flip-up LCD, 460k dots |
| Mount | Micro Four Thirds | Sony E-mount |
| Memory Cards | Dual SD UHS-II slots | Single SD slot |
| Connectivity | USB-C, Bluetooth, Wi-Fi | Micro USB (Multi Terminal), micro HDMI, Wi-Fi, NFC |
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 →