Decision tools · Compare
1 J5 vs OM-1 Mark II
Quick take: The 1 J5 has the highest resolution at 21MP; the 1 J5 is the most affordable; only the OM-1 Mark II is weather sealed.
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-1 Mark II 2024
Best for Wildlife, birds & outdoor sports
£2049
new today at Clifton Cameras
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Verdictwhich should you buy?
OM-1 Mark II — Wildlife, Birds & Outdoor Sports: OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.
Who should buy what
OM-1 Mark II (2024)
is the right camera for you if…
- Wildlife and bird photographers who need the best subject tracking in MFT
- Sports photographers who want weather sealing and 50fps burst
- OM-1 owners looking for a meaningful autofocus upgrade
- Professionals who need pro-grade weather sealing in the lightest possible system
Full specificationsthe better value in each row is highlighted
| Specification | 1 J5Nikon · 2015 | OM-1 Mark IIOM System · 2024 |
|---|---|---|
| Price | — | £2,049 |
| Sensor | 20.8MP 1-inch (CX) BSI CMOS | 20MP Micro Four Thirds Live MOS |
| Resolution | 20.8MPBest | 20.0MP |
| Video | 4K UHD/15p, 1080p/60 | 4K/60p, 1080p/240p, 4K HLG |
| Autofocus | Hybrid AF: 171 areas, 105 with phase detection; face detection, subject tracking | AI subject detection AF (birds, animals, motorsport) |
| Stabilisation | No IBIS (lens-based stabilisation only) | 8.5-stop IBIS |
| Burst Rate | 20fps | 120fps with AF trackingBest |
| Battery Life | ~250 shots (CIPA) | 520 shots (CIPA)Best |
| Weight | 265g (with battery)Best | 599g (body only) |
| Dimensions | 98.3 × 59.7 × 31.5mm | 134.8 × 91.6 × 72.7mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | None (rear screen only) | 0.83" OLED EVF, 5.76M dots, 120fps |
| Screen | 3.0" tilting touchscreen, 1.04M dots | 3.0" fully articulating touchscreen |
| Mount | Nikon 1 | Micro Four Thirds |
| Memory Cards | Single microSD slot | Dual SD UHS-II |
| Connectivity | USB, micro HDMI, Wi-Fi, NFC | 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
1 J5
OM-1 Mark II
Portrait
4.3/10
7.6/10
Street
6.7/10
6.6/10
Travel
6.1/10
6.4/10
Wedding & Events
2.9/10
7.9/10
Filmmaking
3.2/10
6.8/10
Documentary
4.1/10
7.9/10
Sports & Action
4.9/10
9.3/10
Landscape
3.9/10
6.1/10
Wildlife
5.1/10
9.1/10
Casual
5.0/10
5.5/10
Food
4.8/10
7.4/10
Macro
3.4/10
8.4/10
Architecture
3.9/10
6.3/10
Astrophotography
3.0/10
6.0/10
Vlogging & Video
—
6.2/10
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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