 It combines a 10.2 effective megapixel CCD sensor, coupled with a 22-bit analog-to-digital converter (ADC) and a shake reduction system which also provides a dust removal feature to keep dust off the sensor surface.The K10D features a new image processor called "PRIME" (Pentax Real IMage Engine), which interfaces with DDR2 RAM, providing 800MB/s bandwidth.The camera body is dust and weather-resistant featuring 72 seals throughout the camera.