- APS-C 368.2mm2
- 14.6 megapixels
- ISO 100 - 3200
- Go in depth with our full Pentax K20D Review.
- See real-world photos taken with the K20D.
- 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 Pentax K-7
- Compare K20D vs K-7
- Succeeded by the Canon 1DX Mark II
- Compare 1DX vs 1DX Mark II
- Compare PENTAX K-7 vs CANON 1DX MARK II