- APS-H 525.5mm2
- 10.1 megapixels
- ISO 100 - 3200
- Go in depth with our full Canon 1D Mark III Review.
- See real-world photos taken with the 1D Mark III.
- APS-C 332.3mm2
- 18.0 megapixels
- ISO 100 - 6400
- Go in depth with our full Canon 7D Review.
- See real-world photos taken with the 7D.
- Succeeded by the Canon 1D Mark IV
- Compare 1D Mark III vs 1D Mark IV
- Succeeded by the Canon 7D Mark II
- Compare 7D vs 7D Mark II