- APS-C 328.6mm2
- 12.2 megapixels
- ISO 100 - 1600
- Go in depth with our full Canon XSi Review.
- See real-world photos taken with the XSi.
- 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.