Upgrade Guide
Canon EOS C300 Mark III→Canon EOS 40D
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the EOS C300 Mark III. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS 40D
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Weather sealingAdded — fully sealed body
-
StabilisationIBIS added — significant for handheld and video
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 C300 Mark III | EOS 40D | |
|---|---|---|---|
| Portrait | — | ||
| Street | — | ||
| Travel | — | ||
| Wedding & Events | — | ||
| Documentary | — | ||
| Sports & Action | — | ||
| Landscape | — | ||
| Wildlife | — | ||
| Casual | — | ||
| Food | — | ||
| Macro | — | ||
| Architecture | — | ||
| Astrophotography | — |
Full spec comparison
| Spec | EOS C300 Mark III | EOS 40D | |
|---|---|---|---|
| Price | £5,829 | £26 used | |
| Released | 2020 | 2007 | ↓ |
| Sensor | — | 10.1MP APS-C CMOS | |
| Resolution | — | 10MP | |
| Video | — | No video | |
| Autofocus | — | 9-point all cross-type phase-detect via viewfinder; contrast AF in live view | |
| Stabilisation | — | No IBIS (lens-based stabilisation only) | |
| Burst Rate | — | 6.5fps | |
| Battery Life | — | ~800 shots (CIPA) | |
| Weight | — | 820g (with battery) | |
| Weather Sealed | Not weather sealed | Yes | ↑ |
| Viewfinder | — | Optical pentaprism, 95% coverage, 0.95x | |
| Screen | — | 3.0" fixed LCD, 230k dots | |
| Mount | Canon EF | Canon EF / EF-S | |
| Memory Cards | — | Single CompactFlash slot |
Compare side-by-side
⚖️ Compare these cameras
See EOS C300 Mark III and EOS 40D next to each other with our interactive comparison tool.
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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 C300 Mark III
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