- Medium format 1,452.0mm2
- 40.0 megapixels
- ISO 200 - 1000
- Go in depth with our full Pentax 645D Review.
- See real-world photos taken with the 645D.
- APS-C 372.1mm2
- 16.3 megapixels
- ISO 100 - 12,800
- Go in depth with our full Pentax K-5 Review.
- See real-world photos taken with the K-5.
- Succeeded by the Pentax 645Z
- Compare 645D vs 645Z
- Succeeded by the Pentax K-5 II
- Compare K-5 vs K-5 II
- Compare PENTAX 645Z vs PENTAX K-5 II