EOS R50vs OM System OM-1 Mark IIvs A7 IV
OM System
OM System OM-1 Mark II (2024)
From £1999
Best for Wildlife, birds & outdoor sports
View OM System OM-1 Mark II
Which should you buy?
Beginners & Family — EOS R50 (2023): Canon's most beginner-friendly RF body — Dual Pixel AF and beautiful colour science in an approachable package.
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.
Portrait & Wedding Photography — A7 IV (2021): The full-frame portrait benchmark — 33MP, AI Eye AF, and exceptional skin-tone rendering in a pro-grade hybrid body.
Who should buy what
EOS R50 (2023)
- You're completely new to mirrorless cameras and want something uncomplicated
- You create vertical content for TikTok, Instagram Reels, or YouTube Shorts
- You want great autofocus without needing to understand complex menus
OM System OM-1 Mark II (2024)
- You shoot wildlife, birds in flight, or fast-moving action where tracking accuracy is critical
- You need extreme weather sealing for shooting in rain, dust, mud, or freezing cold
- You're invested in the MFT ecosystem and want the absolute best body available
A7 IV (2021)
- You want a high-resolution full-frame all-rounder for portraits, weddings, or travel
- You're stepping up from APS-C or a DSLR and want the best all-round full-frame body under £3,000
- You shoot a mix of stills and video and need a single body that handles both seriously
- You want access to the widest lens ecosystem in the mirrorless market
Quick take: The a7 iv has the highest resolution at 33mp; the eos r50 is the most affordable; only the om system om-1 mark ii, a7 iv are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R50 (2023) | OM System OM-1 Mark II (2024) | A7 IV (2021) |
|---|---|---|---|
| Price | £599 | £1,999 | £2,299 |
| Sensor | 24.2MP APS-C CMOS | 20MP Micro Four Thirds Live MOS | 33MP Full-frame BSI Exmor R CMOS |
| Resolution | 24.2MP | 20.0MP | 33.0MP |
| Video | 4K/30p (uncropped 4K/24p), FHD/60p | 4K/60p, 1080p/240p, 4K HLG | 4K/60p oversampled, 10-bit internal, S-Log3, S-Cinetone |
| Autofocus | Dual Pixel CMOS AF II, face/eye/subject tracking | AI subject detection AF (birds, animals, motorsport) | 759-point phase-detect, AI subject recognition |
| Stabilisation | None (no IBIS) | 8.5-stop IBIS | 5-axis IBIS, 5.5 stops |
| Burst Rate | 12fps mechanical, 15fps electronic | 120fps with AF tracking | 10fps mechanical, 30fps electronic |
| Battery Life | ~380 shots (CIPA) | 520 shots (CIPA) | ~580 shots (CIPA) |
| Weight | 375g body only | 599g body only | 659g body only |
| Dimensions | 116.3 × 85.5 × 68.8mm | 134.8 × 91.6 × 72.7mm | 131.3 × 96.4 × 79.8mm |
| Weather Sealed | No | Yes | Yes |
| Viewfinder | EVF, 2.36M dots | 0.83" OLED EVF, 5.76M dots, 120fps | EVF, 3.69M dots, 0.78× magnification |
| Screen | 3.0" vari-angle touchscreen | 3.0" fully articulating touchscreen | 3.0" vari-angle touchscreen |
| Mount | Canon RF-S / RF | Micro Four Thirds | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-II slot | Dual SD UHS-II | Dual slots: CFexpress Type A + SD UHS-II |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth | USB-C (3.2 Gen 2), Bluetooth, Wi-Fi |
Compare pairs from this group