EOS R8vs Olympus OM-D E-M5 IIIvs OM-5
OM System
Olympus OM-D E-M5 III (2019)
From £699
Best for Travel & lightweight outdoor photography
View Olympus OM-D E-M5 III
Which should you buy?
Full-Frame Entry — EOS R8 (2023): Canon's most affordable full-frame mirrorless — 4K/60p 10-bit and class-leading Dual Pixel AF at an accessible entry price.
Travel & Lightweight Outdoor Photography — Olympus OM-D E-M5 III (2019): The lightest weather-sealed MFT camera — compact, travel-friendly, and capable with 7.5-stop IBIS in a body that fits in a jacket pocket.
Outdoor & Adventure — OM-5 (2022): The toughest camera at this price — IP53 weather sealing and 7.5-stop IBIS built for adventure photographers.
Who should buy what
EOS R8 (2023)
- You want full-frame image quality on a tight budget
- You shoot mainly in good light and can live without built-in stabilisation
- You primarily shoot stills with occasional video
Olympus OM-D E-M5 III (2019)
- You want a lightweight, sealed camera for travel and outdoor photography
- You're new to Micro Four Thirds and want a capable mid-range body with excellent stabilisation
- Note: consider the newer OM-5 for updated specs in a similar compact form factor
OM-5 (2022)
- You need weather sealing and in-body stabilisation in a compact, lightweight body
- You hike, travel, or shoot outdoors and want serious protection without the weight penalty
- You're in the MFT ecosystem and want a step up in capability from entry-level bodies
Quick take: The eos r8 has the highest resolution at 24mp; the olympus om-d e-m5 iii is the most affordable; only the olympus om-d e-m5 iii, om-5 are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R8 (2023) | Olympus OM-D E-M5 III (2019) | OM-5 (2022) |
|---|---|---|---|
| Price | £1,099 | £699 | £899 |
| Sensor | 24.2MP Full-frame BSI CMOS | 20.4MP Micro Four Thirds Live MOS | 20.4MP Micro Four Thirds Live MOS |
| Resolution | 24.2MP | 20.4MP | 20.4MP |
| Video | 4K/60p oversampled 10-bit, FHD/180p | 4K/30p, 1080p/120p | 4K/60p, 4K/120p Cinema4K |
| Autofocus | Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking | Hybrid phase/contrast AF with face/eye detection | Phase-detect, 121 all-cross points, subject tracking |
| Stabilisation | None (no IBIS) | 7.5-stop 5-axis IBIS | 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) |
| Burst Rate | 6fps mechanical, 40fps electronic | 30fps electronic / 10fps mechanical | 30fps electronic, 10fps mechanical |
| Battery Life | ~220 shots (CIPA) | 390 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 461g body only | 414g body only | 414g body only |
| Dimensions | 132.5 × 86.1 × 70.0mm | 125.3 × 85.2 × 49.7mm | 122.3 × 87.6 × 49.7mm |
| Weather Sealed | No | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.59× | 0.35" OLED EVF, 2.36M dots | EVF, 2.36M dots, 0.74× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.0" fully articulating touchscreen | 3.0" fully articulating touchscreen |
| Mount | Canon RF mount (full-frame) | Micro Four Thirds | Micro Four Thirds |
| Memory Cards | Single SD UHS-II slot | Single SD UHS-I | Dual SD UHS-II slots |
| Connectivity | USB-C, Bluetooth, Wi-Fi | Micro USB, Wi-Fi, Bluetooth | USB-C, Bluetooth, Wi-Fi |
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