Upgrade Guide
Canon EOS R100→Canon EOS-1D
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the EOS R100. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS-1D
-
Weather sealingAdded — fully sealed body
-
Battery life~1200 shots per charge vs ~270 shots (CIPA)
Unchanged or similar
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Resolution4MP (down from 24MP — optimised for low light)
-
StabilisationIBIS not present in new body
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 R100 | EOS-1D | |
|---|---|---|---|
| Portrait | -1.5 | ||
| Street | -2.7 | ||
| Travel | -2.1 | ||
| Wedding & Events | +0.5 | ||
| Filmmaking | — | ||
| Documentary | -1.2 | ||
| Sports & Action | — | ||
| Landscape | -0.8 | ||
| Wildlife | -0.3 | ||
| Casual | -4.5 | ||
| Food | -2.0 | ||
| Macro | -1.5 | ||
| Architecture | -1.6 | ||
| Astrophotography | +1.4 | ||
| Fun & simple | — |
Full spec comparison
| Spec | EOS R100 | EOS-1D | |
|---|---|---|---|
| Price | £529 | £150 | |
| Released | 2023 | 2001 | ↓ |
| Sensor | 24.1MP APS-C CMOS | 4.1MP APS-H CMOS (1.3× crop) | |
| Resolution | 24MP | 4MP | ↓ |
| Video | 4K/30p (slight crop), 1080p/60p | — | |
| Autofocus | Dual Pixel CMOS AF, face detection, subject tracking | 45-point AF with 7 cross-type points | |
| Stabilisation | No stabilisation | — | |
| Burst Rate | 6.5fps mechanical | 8fps continuous (up to 21 RAW frames) | ↑ |
| Battery Life | ~270 shots (CIPA) | ~1200 shots per charge | ↑ |
| Weight | 356g (with battery and card) | 1225g (body only) | ↓ |
| Weather Sealed | Not weather sealed | Yes | ↑ |
| Viewfinder | EVF, 2.36M dots, 0.59× magnification | OVF, 0.72× magnification, 100% coverage | |
| Screen | 3.0" fixed LCD, 1.04M dots (no touch) | 2.0" fixed LCD | |
| Mount | Canon RF-mount | Canon EF | |
| Memory Cards | Single SD UHS-II | CompactFlash Type I/II |
Compare side-by-side
⚖️ Compare these cameras
See EOS R100 and EOS-1D 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-1D against your specific genres — not just specs.
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