- 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.
- APS-H 518.9mm2
- 16.1 megapixels
- ISO 100 - 12,800
- Go in depth with our full Canon 1D Mark IV Review.
- See real-world photos taken with the 1D Mark IV.