EOS R5vs OM System OM-1 Mark II
Canon
EOS R5 (2020)
Starting from £2499 new
Best for Professional hybrid shooters, portrait & wildlife
View EOS R5
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?
Professional Hybrid Shooters, Portrait & Wildlife — EOS R5 (2020): A landmark camera — 8K video and 45MP in one body set the standard for what mirrorless could be.
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
EOS R5 (2020)
- Professional photographers who need both resolution and video in one body
- Wildlife and sports photographers who want top AF with 20fps burst
- Hybrid shooters who need 8K or 4K/120p alongside high-resolution stills
- R5 Mark II buyers on a budget — the R5 still delivers exceptional results
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 eos r5 has the highest resolution at 45mp; the om system om-1 mark ii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R5 (2020) | OM System OM-1 Mark II (2024) |
|---|---|---|
| Price | £2,499 | £1,999 |
| Sensor | 45MP Full-Frame CMOS | 20MP Micro Four Thirds Live MOS |
| Resolution | 45.0MP | 20.0MP |
| Video | 8K RAW/30p, 4K/120p, 1080p/120p | 4K/60p, 1080p/240p, 4K HLG |
| Autofocus | Dual Pixel CMOS AF II — 1053 AF zones, subject/animal detection | AI subject detection AF (birds, animals, motorsport) |
| Stabilisation | IBIS — up to 8 stops combined with IS lenses | 8.5-stop IBIS |
| Burst Rate | 12fps mechanical, 20fps electronic | 120fps with AF tracking |
| Battery Life | ~320 shots (CIPA) | 520 shots (CIPA) |
| Weight | 650g (with battery) | 599g body only |
| Dimensions | 138.5 × 97.5 × 88mm | 134.8 × 91.6 × 72.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 5.76M dots, 0.76× magnification | 0.83" OLED EVF, 5.76M dots, 120fps |
| Screen | 3.15" fully articulating touchscreen | 3.0" fully articulating touchscreen |
| Mount | Canon RF mount | Micro Four Thirds |
| Memory Cards | CFexpress Type B + SD UHS-II | Dual SD UHS-II |
| Connectivity | USB-C, Wi-Fi, Bluetooth, HDMI | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | EOS R5 | OM System OM-1 Mark II |
|---|---|---|
| Portrait | ||
| Wildlife | ||
| Vlogging & Video | ||
| Sports | — | |
| Landscape | ||
| Wedding | — | |
| Sports & Action | — | |
| Travel | — |
More comparisons with EOS R5
Camera family history