- APS-C 369.7mm2
- 12.4 megapixels
- ISO 200 - 6400
- Go in depth with our full Pentax K-x Review.
- See real-world photos taken with the K-x.
- 4/3 224.9mm2
- 16.1 megapixels
- ISO 200 - 25,600
- Go in depth with our full Olympus E-M1 Review.
- See real-world photos taken with the E-M1.
- Succeeded by the Pentax K-r
- Compare K-x vs K-r
- Succeeded by the Olympus E-M1 II
- Compare E-M1 vs E-M1 II
- Compare PENTAX K-R vs OLYMPUS E-M1 II