Decision tools · Compare
EOS-1D Mark III vs EOS-1D Mark IV
Quick take: The EOS-1D Mark IV has the highest resolution at 16MP; the EOS-1D Mark III is the most affordable.
16 specs side by side·13 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
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Full specificationsthe better value in each row is highlighted
| Specification | EOS-1D Mark IIICanon · 2007 | EOS-1D Mark IVCanon · 2009 |
|---|---|---|
| Price | £102 usedBest | £102 usedBest |
| Sensor | 10.1MP APS-H CMOS | 16.1MP APS-H CMOS |
| Resolution | 10.1MP | 16.1MPBest |
| Video | No video | Full HD 1080p/30, 720p/60 |
| Autofocus | 45-point phase-detect (19 cross-type + 26 assist) via viewfinder | 45-point phase-detect (39 cross-type) via viewfinder; contrast AF with face detection in live view |
| Stabilisation | No IBIS (lens-based stabilisation only) | No IBIS (lens-based stabilisation only) |
| Burst Rate | 10fps | 10fps |
| Battery Life | ~2200 shots (CIPA)Best | ~1500 shots (CIPA) |
| Weight | 1155g (body only)Best | 1180g (body only) |
| Dimensions | 156 × 156.6 × 79.9mm | 156 × 156.6 × 79.9mm |
| Weather Sealed | Not weather sealed | Not weather sealed |
| Viewfinder | Optical pentaprism, 100% coverage, 0.76x | Optical pentaprism, 100% coverage, 0.76x |
| Screen | 3.0" fixed LCD, 230k dots | 3.0" fixed LCD, 920k dots |
| Mount | Canon EF | Canon EF |
| Memory Cards | Dual slots: CompactFlash + SD | Dual slots: CompactFlash + SD |
| Connectivity | USB 2.0, video out, PC sync, N3 remote, WFT system terminal | USB 2.0, mini HDMI, AV out, 3.5mm mic, PC sync, N3 remote, WFT system terminal |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
EOS-1D Mark III
EOS-1D Mark IV
Portrait
5.2/10
5.6/10
Street
4.0/10
4.0/10
Travel
3.5/10
3.6/10
Wedding & Events
5.7/10
6.0/10
Documentary
3.0/10
4.0/10
Sports & Action
5.9/10
6.2/10
Landscape
3.4/10
3.9/10
Wildlife
5.6/10
5.9/10
Casual
2.2/10
2.4/10
Food
3.3/10
3.7/10
Macro
3.1/10
3.5/10
Architecture
3.8/10
4.4/10
Astrophotography
5.5/10
5.2/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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