Upgrade Guide
Canon EOS-1D→Canon EOS R6 Mark III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the EOS-1D. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS R6 Mark III
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Resolution32MP vs 4MP (+28MP)
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Burst rate40fps (electronic shutter), 12fps (mechanical) vs 8fps continuous (up to 21 RAW frames)
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Generation24 years newer (2025 vs 2001)
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-1D | EOS R6 Mark III | |
|---|---|---|---|
| Portrait | +4.0 | ||
| Street | +3.1 | ||
| Travel | +3.0 | ||
| Wedding & Events | +3.6 | ||
| Documentary | +4.5 | ||
| Sports & Action | +2.9 | ||
| Landscape | +3.3 | ||
| Wildlife | +2.6 | ||
| Casual | +3.6 | ||
| Food | +5.1 | ||
| Macro | +5.8 | ||
| Architecture | +3.9 | ||
| Astrophotography | +1.1 | ||
| Vlogging & Video | — | ||
| Filmmaking | — |
Full spec comparison
| Spec | EOS-1D | EOS R6 Mark III | |
|---|---|---|---|
| Price | £150 | £2,799 | |
| Released | 2001 | 2025 | ↑ |
| Sensor | 4.1MP APS-H CMOS (1.3× crop) | 32.5MP full-frame stacked CMOS | |
| Resolution | 4MP | 32MP | ↑ |
| Video | — | 4K 60fps oversampled from 7K, 6K RAW internal | |
| Autofocus | 45-point AF with 7 cross-type points | Dual Pixel CMOS AF II — deep-learning subject detection for people, animals and vehicles, up to 40fps tracking | |
| Stabilisation | — | In-body 5-axis IS, up to 8.5 stops | |
| Burst Rate | 8fps continuous (up to 21 RAW frames) | 40fps (electronic shutter), 12fps (mechanical) | ↑ |
| Battery Life | ~1200 shots per charge | ~580 shots (CIPA, LP-E6P) | ↓ |
| Weight | 1225g (body only) | 609g (body only) | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | OVF, 0.72× magnification, 100% coverage | EVF, 5.76M-dot, up to 120fps | |
| Screen | 2.0" fixed LCD | 3.2-inch vari-angle touchscreen, 2.1M-dot | |
| Mount | Canon EF | Canon RF | |
| Memory Cards | CompactFlash Type I/II | Dual SD / SDHC / SDXC (UHS-II) |
Compare side-by-side
⚖️ Compare these cameras
See EOS-1D and EOS R6 Mark III next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the EOS R6 Mark III against your specific genres — not just specs.
Other upgrades from the EOS-1D
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Camera family history