EOS Mvs FX3
Canon
EOS M (2012)
Starting from £80 new
Best for Canon mirrorless history & EF-M collectors
View EOS M
Sony
FX3 (2021)
Starting from £3799 new
Best for Professional video, documentary & cinematic filmmaking
View FX3
GearScore™ Verdict — Which should you buy?
Canon Mirrorless History & Ef-M Collectors — EOS M (2012): Canon's first mirrorless — a historic body that broke new ground with touch-AF and EF-M, but its sluggish contrast-detect system quickly became its Achilles heel.
Professional Video, Documentary & Cinematic Filmmaking — FX3 (2021): The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.
Who should buy what
EOS M (2012)
- Canon shooters who want the camera that started Canon's mirrorless story
- Budget first-time mirrorless buyers who already own EF/EF-S glass
- Collectors of significant digital camera milestones
FX3 (2021)
- Professional videographers and filmmakers who need cinema-quality colour science in a compact body
- Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
- Sony A7S III owners who want a purpose-built video body alongside their stills camera
- Gimbal and drone operators who need a compact full-frame cinema camera
Quick take: The eos m has the highest resolution at 18mp; the eos m is the most affordable; only the fx3 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS M (2012) | FX3 (2021) |
|---|---|---|
| Price | £80 | £3,799 |
| Sensor | 18MP APS-C CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 18.0MP | 12.1MP |
| Video | 1080p 30fps | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone |
| Autofocus | Contrast-detect AF only — notoriously slow | Real-time tracking with subject recognition (human, animal) |
| Stabilisation | — | 5-axis IBIS — 5 stops |
| Burst Rate | 4fps | 10fps mechanical, 10fps electronic |
| Battery Life | ~230 shots (CIPA) | ~640 shots (CIPA) |
| Weight | 262g (body only) | 715g body only (with XLR handle) |
| Dimensions | 108.6 × 66.5 × 32.3mm | 129.7 × 78.0 × 84.5mm |
| Weather Sealed | No | Yes |
| Viewfinder | None (optional EVF accessory) | None — monitor/external EVF use only |
| Screen | 3.0" fixed touchscreen, 1.04M dots | 3.0" touchscreen, fully articulating |
| Mount | Canon EF-M mount | Sony FE mount (full-frame E-mount) |
| Memory Cards | 1× SD/SDHC/SDXC | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB 2.0 | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Suitability by genre
| Genre | EOS M | FX3 |
|---|---|---|
| Casual | — | |
| Travel | ||
| Street | ||
| Portrait | ||
| Vlogging & Video | ||
| Low Light | — | |
| Wedding | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history