Z5vs OM System OM-1 Mark II
VS
OM System
OM System OM-1 Mark II (2024)
Starting from £1999 new
Best for Wildlife, birds & outdoor sports
View OM System OM-1 Mark II
GearScore™ Verdict — Which should you buy?
Entry-Level Full-Frame & Dslr Switchers — Z5 (2020): The most affordable route into full-frame Z — dual card slots, IBIS, and a capable sensor at an accessible price.
Wildlife, Birds & Outdoor Sports — OM System OM-1 Mark II (2024): 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
Z5 (2020)
- DSLR photographers switching to full-frame mirrorless for the first time
- Enthusiasts who want full-frame image quality on a tighter budget
- Photographers stepping up from APS-C who don't need fast burst or 4K
- Z5 II shoppers on a budget — the original Z5 is now excellent value used
OM System OM-1 Mark II (2024)
- 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
Quick take: The z5 has the highest resolution at 24mp; the z5 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Z5 (2020) | OM System OM-1 Mark II (2024) |
|---|---|---|
| Price | £999 | £1,999 |
| Sensor | 24.3MP Full-Frame BSI CMOS | 20MP Micro Four Thirds Live MOS |
| Resolution | 24.3MP | 20.0MP |
| Video | 4K/30p (with crop), 1080p/60p | 4K/60p, 1080p/240p, 4K HLG |
| Autofocus | Hybrid AF — 273 phase-detect points, eye/subject detection | AI subject detection AF (birds, animals, motorsport) |
| Stabilisation | IBIS — up to 5 stops | 8.5-stop IBIS |
| Burst Rate | 4.5fps | 120fps with AF tracking |
| Battery Life | ~470 shots (CIPA) | 520 shots (CIPA) |
| Weight | 590g (with battery) | 599g body only |
| Dimensions | 134 × 100.5 × 69.5mm | 134.8 × 91.6 × 72.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.8× magnification | 0.83" OLED EVF, 5.76M dots, 120fps |
| Screen | 3.2" tilting touchscreen | 3.0" fully articulating touchscreen |
| Mount | Nikon Z mount | Micro Four Thirds |
| Memory Cards | Dual SD UHS-II slots | Dual SD UHS-II |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | Z5 | OM System OM-1 Mark II |
|---|---|---|
| Portrait | ||
| Travel | ||
| Landscape | ||
| Everyday | — | |
| Sports | — | |
| Vlogging & Video | ||
| Wildlife | — | |
| Sports & Action | — |
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Camera family history