EOS M50 IIvs Z30vs A7 III
Which should you buy?
Beginners & Vlogging — EOS M50 II (2020): Canon's most approachable mirrorless — Dual Pixel AF and beautiful colour science in a beginner-friendly body.
Travel & Everyday Video — Z30 (2022): Nikon's lightest Z-mount body — no fuss, excellent subject tracking, and a flip screen for creators.
All-Round Photography & Video — A7 III (2018): Still one of the best all-round cameras money can buy — particularly strong used. The A7 III proved that full-frame doesn't have to mean compromises, and nothing at this price point has meaningfully beaten it.
Who should buy what
EOS M50 II (2020)
- You want your first mirrorless camera at the lowest possible price
- You're a vlogger or content creator just starting out
- Note: EF-M mount is discontinued — consider the EOS R50 for a future-proof system
Z30 (2022)
- You create video content and want reliable Nikon colour science in a compact body
- You don't need a viewfinder and prioritise the vari-angle flip screen
- You're starting out with interchangeable lenses for content creation on a budget
A7 III (2018)
- Enthusiast photographers upgrading from APS-C for the first time
- Working photographers who need reliable AF and weather sealing
- Anyone who shoots in low light regularly
- Hybrid shooters needing both stills and video performance
Quick take: The a7 iii has the highest resolution at 24mp; the eos m50 ii is the most affordable; only the a7 iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS M50 II (2020) | Z30 (2022) | A7 III (2018) |
|---|---|---|---|
| Price | £449 | £479 | £1,699 |
| Sensor | 24.1MP APS-C CMOS | 20.9MP APS-C CMOS | 24.2MP Full-Frame Exmor R BSI CMOS |
| Resolution | 24.1MP | 20.9MP | 24.2MP |
| Video | 4K/25p (cropped), 1080p/60p | 4K/30p, 4K/60p (with crop), 1080p/120p | 4K/30p (6K oversampled), 1080p/120p slow-motion |
| Autofocus | Dual Pixel CMOS AF, 143 AF points, eye detection | Phase-detect, 209 points, subject tracking (human/animal/vehicle) | Phase-detect, 693 points, real-time Eye AF & animal AF |
| Stabilisation | None (no IBIS) | None (no IBIS) | 5-axis IBIS, 5 stops |
| Burst Rate | 10fps | 11fps | 10fps with AF/AE tracking |
| Battery Life | ~305 shots (CIPA) | ~300 shots (CIPA) | ~710 shots (CIPA) |
| Weight | 387g body only | 405g body only | 565g (body, battery, card) |
| Dimensions | 116.3 × 88.1 × 58.7mm | 127.5 × 73.5 × 59.5mm | 126.9 × 95.6 × 73.7mm |
| Weather Sealed | No | No | Yes |
| Viewfinder | EVF, 2.36M dots, 0.39× | None | EVF, 2.36M dots, 0.78× magnification |
| Screen | 3.0" vari-angle touchscreen | 3.0" fully articulating touchscreen | 3.0" tilting touchscreen, 921k dots |
| Mount | Canon EF-M mount | Nikon Z-mount | Sony E-mount |
| Memory Cards | Single SD UHS-I slot | Single SD UHS-I slot | Dual SD (UHS-II slot 1, UHS-I slot 2) |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB-C, Bluetooth, Wi-Fi, 3.5mm mic input, micro HDMI | USB-C (USB 3.2), Wi-Fi, Bluetooth, NFC |
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