Upgrade Guide
Canon EOS C300 Mark III→Canon EOS R1
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the EOS C300 Mark III. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS R1
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Weather sealingAdded — fully sealed body
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StabilisationIBIS added — significant for handheld and video
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Generation4 years newer (2024 vs 2020)
Suitability by genre
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | EOS C300 Mark III | EOS R1 | |
|---|---|---|---|
| Portrait | — | ||
| Street | — | ||
| Travel | — | ||
| Wedding & Events | — | ||
| Vlogging & Video | — | ||
| Filmmaking | — | ||
| Documentary | — | ||
| Sports & Action | — | ||
| Landscape | — | ||
| Wildlife | — | ||
| Casual | — | ||
| Food | — | ||
| Macro | — | ||
| Architecture | — | ||
| Astrophotography | — |
Full spec comparison
| Spec | EOS C300 Mark III | EOS R1 | |
|---|---|---|---|
| Price | £5,829 | £6,399 | |
| Released | 2020 | 2024 | ↑ |
| Sensor | — | 24.2MP Full-Frame Stacked CMOS | |
| Resolution | — | 24MP | |
| Video | — | 6K RAW/60p, 4K/120p, 1080p/240p | |
| Autofocus | — | Dual Pixel CMOS AF III — 100% coverage, deep learning subject detection | |
| Stabilisation | — | IBIS — up to 8 stops combined | |
| Burst Rate | — | 40fps electronic, 12fps mechanical | |
| Battery Life | — | ~530 shots (CIPA) | |
| Weight | — | 920g (body only) | |
| Weather Sealed | Not weather sealed | Yes | ↑ |
| Viewfinder | — | EVF, 9.44M dots, 0.90× magnification | |
| Screen | — | 3.2" fully articulating touchscreen | |
| Mount | Canon EF | Canon RF mount | |
| Memory Cards | — | Dual CFexpress Type B |
Compare side-by-side
⚖️ Compare these cameras
See EOS C300 Mark III and EOS R1 next to each other with our interactive comparison tool.
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Tell us what you shoot and we'll score the EOS R1 against your specific genres — not just specs.
Other upgrades from the EOS C300 Mark III
Camera family history