- 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 369.0mm2
- 14.8 megapixels
- ISO 100 - 6400
- Go in depth with our full Sigma SD1 Merrill Review.
- See real-world photos taken with the SD1 Merrill.