overview Sensor size

Sensor size Sensor size
1/2.5" 5.75x4.31mm

The camera's sensor is what turns light into a digital image. The larger the sensor, the more light you capture, and the better quality image you get. Most digicam's have the same size sensor, but a few have bigger sensors, and DSLRs have much bigger sensors.

Learn more about sensor sizes.

Compared To Compared to recent ultra compacts

Out of 1 recent ultra compacts, only 1 has (significantly) better sensor size than the Pentax Optio S5n.

Pentax Optio S5n
1/2.5" 5.75x4.31mm
Best
Nikon CX 13.2x8.8mm
Average
Nikon CX 13.2x8.8mm
Min
Nikon CX 13.2x8.8mm