- APS-C 368.2mm2
- 14.6 megapixels
- ISO 100 - 3200
- Go in depth with our full Pentax K20D Review.
- See real-world photos taken with the K20D.
Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.
Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.
You can learn more at our glossary entry.
Maximum effective ISO test data courtesy of DxO Mark.
K20D test data on DxO Mark E-620 test data on DxO Mark