- APS-C 369.7mm2
- 12.4 megapixels
- ISO 200 - 12,800
- Go in depth with our full Pentax K-r Review.
- See real-world photos taken with the K-r.
- 35mm 864.0mm2
- 18.1 megapixels
- ISO 100 - 51,200
- Go in depth with our full Canon 1DX Review.
- See real-world photos taken with the 1DX.
- Succeeded by the Canon 1DX Mark II
- Compare 1DX vs 1DX Mark II
- Compare Pentax K-r vs Canon 1DX Mark II