EOS Rvs A1
Canon
EOS R (2018)
Starting from £799 new
Best for Entry to full-frame mirrorless & RF lens exploration
View EOS R
VS
Sony
A1 (2021)
Starting from £5999 new
Best for Professional sport, wildlife, portrait & hybrid shooting
View A1
GearScore™ Verdict — Which should you buy?
Entry To Full-Frame Mirrorless & Rf Lens Exploration — EOS R (2018): The RF mount's founding camera — 30MP, Dual Pixel CMOS AF, and the proof-of-concept that launched Canon's mirrorless era.
Professional Sport, Wildlife, Portrait & Hybrid Shooting — A1 (2021): 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.
Who should buy what
EOS R (2018)
- Canon DSLR users wanting to enter the RF ecosystem at the lowest full-frame price
- EF lens collectors who want an affordable RF body to use with the EF-RF adapter
- Photographers stepping up from APS-C who want full-frame quality on a budget
- RF system fans who want a second body without full EOS R6 pricing
A1 (2021)
- Professional photographers who need resolution and speed without compromise
- Sports and wildlife photographers demanding the absolute fastest Sony
- Studio and fashion photographers who also shoot sport or events
- A9 III or A7R V owners who want a single body that does everything
Quick take: The a1 has the highest resolution at 50mp; the eos r is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R (2018) | A1 (2021) |
|---|---|---|
| Price | £799 | £5,999 |
| Sensor | 30.3MP full-frame CMOS | 50.1MP Full-Frame Stacked BSI CMOS Exmor RS |
| Resolution | 30.3MP | 50.1MP |
| Video | 4K/30p (1.7× crop), 1080p/60p | 8K/30p, 4K/120p, 1080p/240p |
| Autofocus | Dual Pixel CMOS AF — 5655 AF areas, Eye AF | Real-time Tracking, AI subject recognition — 759 phase-detect points |
| Stabilisation | None | IBIS — up to 5.5 stops |
| Burst Rate | 8fps continuous (5fps with AF/AE) | 30fps electronic with full AF/AE |
| Battery Life | ~350 shots (CIPA) | ~430 shots (CIPA) |
| Weight | 660g body only | 737g (with battery) |
| Dimensions | 135.8 × 98.3 × 84.4mm | 128.9 × 96.9 × 80.8mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.71× magnification | EVF, 9.44M dots, 0.90× magnification, 240fps |
| Screen | 3.0" touchscreen, tilting | 3.0" fully tilting touchscreen |
| Mount | Canon RF mount (full-frame) | Sony FE mount (full-frame E-mount) |
| Memory Cards | Single SD UHS-II slot | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack | USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI |
Suitability by genre
| Genre | EOS R | A1 |
|---|---|---|
| Portrait | ||
| Landscape | ||
| Travel | — | |
| Wedding | ||
| Vlogging & Video | ||
| Sports | ||
| Wildlife | — |
More comparisons with EOS R
Camera family history