EOS R10vs A7R III
VS
Sony
A7R III (2017)
Starting from £1799 new
Best for Landscape, studio & commercial photography
View A7R III
GearScore™ Verdict — Which should you buy?
Beginners & Vlogging — EOS R10 (2022): Canon's most affordable RF body — Dual Pixel AF and a vari-angle screen in a compact, lightweight package.
Landscape, Studio & Commercial Photography — A7R III (2017): The camera that converted professionals to mirrorless — 42MP, IBIS, and 10fps in a body that still competes today.
Who should buy what
EOS R10 (2022)
- Enthusiast beginners who want more control than the R50 offers
- Action and wildlife photographers on a budget needing fast burst
- EOS M or DSLR users moving into the RF APS-C ecosystem
- Sports and family photographers who want reliable subject tracking affordably
A7R III (2017)
- Landscape and studio photographers who need 42MP resolution at a used-price discount vs A7R IV
- Canon/Nikon DSLR professionals considering a mirrorless switch at a lower investment
- Commercial and product photographers who want full-frame resolution with IBIS for handheld work
- Portrait photographers who want the sharpest possible full-frame files for large print work
Quick take: The a7r iii has the highest resolution at 42mp; the eos r10 is the most affordable; only the a7r iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R10 (2022) | A7R III (2017) |
|---|---|---|
| Price | £699 | £1,799 |
| Sensor | 24.2MP APS-C CMOS | 42.4MP full-frame BSI Exmor R CMOS |
| Resolution | 24.2MP | 42.4MP |
| Video | 4K/30p (slight crop), FHD/120p | 4K/30p (full-frame readout), 1080p/120p |
| Autofocus | Dual Pixel CMOS AF II, eye/face/subject tracking | 399 phase-detect + 425 contrast AF points — real-time Eye AF |
| Stabilisation | None (no IBIS) | 5-axis IBIS — 5.5 stops |
| Burst Rate | 15fps mechanical, 23fps electronic | 10fps with AF/AE tracking |
| Battery Life | ~430 shots (CIPA) | ~650 shots (CIPA) |
| Weight | 429g body only | 650g body only |
| Dimensions | 122.5 × 87.8 × 83.4mm | 126.9 × 95.6 × 73.7mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF, 2.36M dots | EVF, 3.69M dots, 0.78× magnification |
| Screen | 3.0" vari-angle touchscreen | 3.0" touchscreen, tilting |
| Mount | Canon RF-S / RF | Sony FE mount (full-frame E-mount) |
| Memory Cards | Single SD UHS-II slot | Dual SD slots (one UHS-II) |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack |
Suitability by genre
| Genre | EOS R10 | A7R III |
|---|---|---|
| Family & Everyday | — | |
| Vlogging & Video | ||
| Portrait | ||
| Travel | — | |
| Landscape | ||
| Sports & Action | — | |
| Wedding | — | |
| Street | — | |
| Sports | — |
More comparisons with EOS R10
Camera family history