- 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.
- 35mm 861.6mm2
- 36.3 megapixels
- ISO 100 - 6400
- Go in depth with our full Nikon D800 Review.
- See real-world photos taken with the D800.
- Succeeded by the Pentax 645Z
- Compare 645D vs 645Z
- Succeeded by the Nikon D810
- Compare D800 vs D810
- Compare PENTAX 645Z vs NIKON D810