EOS R100vs FX3
Canon
EOS R100 (2023)
Starting from £529 new
Best for First camera / beginner photography
View EOS R100
Sony
FX3 (2021)
Starting from £3799 new
Best for Professional video, documentary & cinematic filmmaking
View FX3
GearScore™ Verdict — Which should you buy?
First Camera / Beginner Photography — EOS R100 (2023): The R100 does the basics well at the lowest possible price point. Its main value is as a gateway into the Canon RF ecosystem — the lenses you buy now will work on any Canon body you upgrade to later. Modest ambitions, reliably met.
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 R100 (2023)
- First-time camera buyers stepping up from a smartphone
- Students and hobbyists wanting an affordable starting point
- Anyone who wants to start investing in Canon RF glass on a budget
- Casual photographers who don't need advanced video or speed
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 r100 has the highest resolution at 24mp; the eos r100 is the most affordable; only the fx3 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R100 (2023) | FX3 (2021) |
|---|---|---|
| Price | £529 | £3,799 |
| Sensor | 24.1MP APS-C CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 24.1MP | 12.1MP |
| Video | 4K/30p (slight crop), 1080p/60p | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone |
| Autofocus | Dual Pixel CMOS AF, face detection, subject tracking | Real-time tracking with subject recognition (human, animal) |
| Stabilisation | None (no IBIS) | 5-axis IBIS — 5 stops |
| Burst Rate | 6.5fps mechanical | 10fps mechanical, 10fps electronic |
| Battery Life | ~270 shots (CIPA) | ~640 shots (CIPA) |
| Weight | 356g (body, battery, card) | 715g body only (with XLR handle) |
| Dimensions | 116.3 × 85.5 × 68.8mm | 129.7 × 78.0 × 84.5mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF, 2.36M dots, 0.59× magnification | None — monitor/external EVF use only |
| Screen | 3.0" fixed touchscreen, 1.04M dots | 3.0" touchscreen, fully articulating |
| Mount | Canon RF-mount | Sony FE mount (full-frame E-mount) |
| Memory Cards | Single SD UHS-II | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Suitability by genre
| Genre | EOS R100 | FX3 |
|---|---|---|
| Portrait | ||
| Travel | ||
| Street | ||
| Video | — | |
| Wildlife | — | |
| Vlogging & Video | — | |
| Low Light | — | |
| Wedding | — |
More comparisons with EOS R100
Camera family history