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Quick take: The Nikon ZR has the highest resolution at 25MP; the OM-1 is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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OM-1 — Wildlife, Sport, Outdoor: OM System's statement camera — class-leading weather sealing and the best IBIS in the business.
| Specification | Nikon ZRNikon · 2025 | OM-1OM System · 2022 |
|---|---|---|
| Price | £1,999 | £299Best |
| Sensor | 24.5MP full-frame CMOS | Micro Four Thirds Live MOS stacked BSI |
| Resolution | 25.0MPBest | 20.4MP |
| Video | 6K/60p, 4K/120p, internal R3D NE/N-RAW, ProRes, 10-bit N-Log, 32-bit float audio | 4K 60fps 10-bit |
| Autofocus | Hybrid phase-detect AF with subject detection | 1053-point cross-type phase-detect, AI subject recognition |
| Stabilisation | 7.5-stop IBIS (Synchro VR) | 5-axis IBIS, 7.0 stops (8 stops with sync IS) |
| Burst Rate | 20fpsBest | 10fps mechanical, 50fps electronic, 120fps Pro Capture |
| Battery Life | 390 shots (CIPA); ~90-125 min continuous recording | 520 shots (CIPA)Best |
| Weight | 630g (with battery and card) | 599g (body only)Best |
| Dimensions | — | 134.8 × 91.6 × 72.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | None (screen only) | EVF 0.83× 5.76M-dot |
| Screen | 4.0" fully articulating touchscreen | 3.0" fully articulating touchscreen, 1.62M-dot |
| Mount | Nikon Z-mount | Micro Four Thirds |
| Memory Cards | CFexpress Type B + microSD | Dual SD UHS-II slots |
| Connectivity | USB-C, HDMI (micro), Wi-Fi, Bluetooth | Wi-Fi 5GHz, Bluetooth 5.0, USB-C 3.1, HDMI, 3.5mm mic/headphone |
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 →