Upgrade Guide
Canon EOS 5D→Canon EOS-1D Mark III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Strong upgrade
The EOS-1D Mark III improves across 3 key areas at a reasonable price gap. Most EOS 5D owners will notice the difference.
What's new in the EOS-1D Mark III
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Burst rate10fps vs 3fps
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Battery life~2200 shots (CIPA) vs ~800 shots (CIPA)
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Generation2 years newer (2007 vs 2005)
Unchanged or similar
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ResolutionSimilar (10MP)
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 5D | EOS-1D Mark III | |
|---|---|---|---|
| Portrait | -0.1 | ||
| Street | -0.8 | ||
| Travel | -0.8 | ||
| Wedding & Events | +1.2 | ||
| Documentary | -0.4 | ||
| Sports & Action | +1.8 | ||
| Landscape | -0.8 | ||
| Wildlife | +0.9 | ||
| Casual | -0.6 | ||
| Food | -0.6 | ||
| Macro | -0.4 | ||
| Architecture | -0.6 | ||
| Astrophotography | -0.6 |
Full spec comparison
| Spec | EOS 5D | EOS-1D Mark III | |
|---|---|---|---|
| Price | £60 used | £102 used | |
| Released | 2005 | 2007 | ↑ |
| Sensor | 12.8MP full-frame CMOS | 10.1MP APS-H CMOS | |
| Resolution | 13MP | 10MP | ↓ |
| Video | No video | No video | |
| Autofocus | 9-point phase-detect (+6 assist points) via viewfinder | 45-point phase-detect (19 cross-type + 26 assist) via viewfinder | |
| Stabilisation | No IBIS (lens-based stabilisation only) | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 3fps | 10fps | ↑ |
| Battery Life | ~800 shots (CIPA) | ~2200 shots (CIPA) | ↑ |
| Weight | 810g (body only) | 1155g (body only) | ↓ |
| Weather Sealed | Not weather sealed | Not weather sealed | |
| Viewfinder | Optical pentaprism, 0.71x | Optical pentaprism, 100% coverage, 0.76x | |
| Screen | 2.5" fixed LCD, 230k dots | 3.0" fixed LCD, 230k dots | |
| Mount | Canon EF | Canon EF | |
| Memory Cards | Single CompactFlash slot | Dual slots: CompactFlash + SD |
Compare side-by-side
⚖️ Compare these cameras
See EOS 5D and EOS-1D Mark III next to each other with our interactive comparison tool.
Get a personalised upgrade score
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Tell us what you shoot and we'll score the EOS-1D Mark III against your specific genres — not just specs.
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