Upgrade Guide
Canon EOS-1Ds→Canon EOS R5 C
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the EOS-1Ds. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS R5 C
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Resolution45MP vs 11MP (+34MP)
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StabilisationIBIS added — significant for handheld and video
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Burst rate12fps mechanical, 20fps electronic vs 3fps continuous
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Generation20 years newer (2022 vs 2002)
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-1Ds | EOS R5 C | |
|---|---|---|---|
| Portrait | +1.7 | ||
| Street | +1.3 | ||
| Travel | +2.1 | ||
| Wedding & Events | +1.8 | ||
| Documentary | +3.5 | ||
| Sports & Action | +2.2 | ||
| Landscape | +1.5 | ||
| Wildlife | +1.5 | ||
| Casual | +2.6 | ||
| Food | +3.6 | ||
| Macro | +2.4 | ||
| Architecture | +3.0 | ||
| Astrophotography | -0.6 | ||
| Vlogging & Video | — | ||
| Filmmaking | — |
Full spec comparison
| Spec | EOS-1Ds | EOS R5 C | |
|---|---|---|---|
| Price | £200 | £3,799 | |
| Released | 2002 | 2022 | ↑ |
| Sensor | 11.1MP full-frame CMOS | 45MP full-frame CMOS — Cinema EOS colour science | |
| Resolution | 11MP | 45MP | ↑ |
| Video | — | 8K RAW internal, 8K/30p, 4K/120p — Cinema RAW Light, C-Log2, C-Log3 | |
| Autofocus | 45-point AF with 7 cross-type points | Dual Pixel CMOS AF II — subject tracking with Intelligent AF | |
| Stabilisation | — | No IBIS (electronic IS for video; use IS lenses) | |
| Burst Rate | 3fps continuous | 12fps mechanical, 20fps electronic | ↑ |
| Battery Life | ~500 shots per charge | ~220 shots stills / unlimited video with fan | ↓ |
| Weight | 1270g (body only) | 680g (body only) | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | OVF, 0.70× magnification, 100% coverage | EVF 0.76× 5.76M-dot OLED | |
| Screen | 2.0" fixed LCD | 3.0" fully articulating touchscreen, 2.1M dots | |
| Mount | Canon EF | Canon RF mount (full-frame) | |
| Memory Cards | CompactFlash Type I/II | Dual CFexpress Type B slots |
Compare side-by-side
⚖️ Compare these cameras
See EOS-1Ds and EOS R5 C 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 R5 C against your specific genres — not just specs.
Other upgrades from the EOS-1Ds
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Camera family history