EOS R8vs OM-5vs Sony A7R V
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.
Outdoor & Adventure — OM-5 (2022): The toughest camera at this price — IP53 weather sealing and 7.5-stop IBIS built for adventure photographers.
Landscape, Studio & Commercial — Sony A7R V (2022): 61 megapixels and 8-stop IBIS in a weather-sealed body — the reference resolution camera for commercial and landscape professionals.
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
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
Sony A7R V (2022)
- You need the highest resolution in Sony's full-frame mirrorless lineup
- You shoot landscape, architecture, product photography, or high-end fashion professionally
- You want exceptional resolution paired with Sony's best-in-class autofocus system
Quick take: The sony a7r v has the highest resolution at 61mp; the om-5 is the most affordable; only the om-5, sony a7r v are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R8 (2023) | OM-5 (2022) | Sony A7R V (2022) |
|---|---|---|---|
| Price | £1,099 | £899 | £3,899 |
| Sensor | 24.2MP Full-frame BSI CMOS | 20.4MP Micro Four Thirds Live MOS | 61MP full-frame BSI CMOS |
| Resolution | 24.2MP | 20.4MP | 61.0MP |
| Video | 4K/60p oversampled 10-bit, FHD/180p | 4K/60p, 4K/120p Cinema4K | 8K/25p, 4K/60p |
| Autofocus | Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking | Phase-detect, 121 all-cross points, subject tracking | AI subject recognition AF, 693-point phase-detect |
| Stabilisation | None (no IBIS) | 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) | 8-stop IBIS |
| Burst Rate | 6fps mechanical, 40fps electronic | 30fps electronic, 10fps mechanical | 10fps mechanical / 7fps electronic |
| Battery Life | ~220 shots (CIPA) | ~370 shots (CIPA) | 530 shots (CIPA) |
| Weight | 461g body only | 414g body only | 723g body only |
| Dimensions | 132.5 × 86.1 × 70.0mm | 122.3 × 87.6 × 49.7mm | 131.3 × 96.4 × 82.4mm |
| Weather Sealed | No | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.59× | EVF, 2.36M dots, 0.74× magnification | 0.64" Quad-XGA OLED EVF, 9.44M dots |
| Screen | 3.0" fully articulating touchscreen | 3.0" fully articulating touchscreen | 3.2" multi-angle touchscreen |
| Mount | Canon RF mount (full-frame) | Micro Four Thirds | Sony FE (E-mount) |
| Memory Cards | Single SD UHS-II slot | Dual SD UHS-II slots | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C, Bluetooth, Wi-Fi | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 |
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