Upgrade Guide
Canon EOS-1D→Canon EOS 40D
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Strong upgrade
The EOS 40D improves across 3 key areas at a reasonable price gap. Most EOS-1D owners will notice the difference.
What's new in the EOS 40D
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Resolution10MP vs 4MP (+6MP)
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StabilisationIBIS added — significant for handheld and video
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Generation6 years newer (2007 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 40D | |
|---|---|---|---|
| Portrait | +0.1 | ||
| Street | +0.9 | ||
| Travel | +1.0 | ||
| Wedding & Events | -0.3 | ||
| Documentary | +0.1 | ||
| Sports & Action | -0.2 | ||
| Landscape | +0.4 | ||
| Wildlife | -0.2 | ||
| Casual | +0.7 | ||
| Food | +0.3 | ||
| Macro | +0.3 | ||
| Architecture | +0.4 | ||
| Astrophotography | -0.5 |
Full spec comparison
| Spec | EOS-1D | EOS 40D | |
|---|---|---|---|
| Price | £81 used | £26 used | |
| Released | 2001 | 2007 | ↑ |
| Sensor | 4.1MP APS-H CMOS (1.3× crop) | 10.1MP APS-C CMOS | |
| Resolution | 4MP | 10MP | ↑ |
| Video | — | No video | |
| Autofocus | 45-point AF with 7 cross-type points | 9-point all cross-type phase-detect via viewfinder; contrast AF in live view | |
| Stabilisation | — | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 8fps continuous (up to 21 RAW frames) | 6.5fps | ↓ |
| Battery Life | ~1200 shots per charge | ~800 shots (CIPA) | ↓ |
| Weight | 1225g (body only) | 820g (with battery) | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | OVF, 0.72× magnification, 100% coverage | Optical pentaprism, 95% coverage, 0.95x | |
| Screen | 2.0" fixed LCD | 3.0" fixed LCD, 230k dots | |
| Mount | Canon EF | Canon EF / EF-S | |
| Memory Cards | CompactFlash Type I/II | Single CompactFlash slot |
Compare side-by-side
⚖️ Compare these cameras
See EOS-1D and EOS 40D 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 40D against your specific genres — not just specs.
Other upgrades from the EOS-1D
Related buying guides
Camera family history