8.2 Megapixel CMOS Sensor
Canon's large-area CMOS (complementary metal oxide semiconductor) sensor captures images with exceptional clarity and tonal range, and offers the most pixels in its class. This APS-C size sensor (22.5 x 15.0mm) has the same 3:2 ratio as film cameras, enabling an effective angle of view that is 1.6x the normal EF Lens focal length. The EOS 30D has an extensive ISO range (from 100 to 1600 plus ISO 3200 in extended mode), which is selectable in 1/3-stop increments. The sensor features a newly developed set of narrow-gap microlenses and noise reduction circuits to improve performance at high ISO values, and optimized photodiode configurations for improved performance at all ISO values. This results in larger, clearer, sharper and more detailed photographs right from the start.
DIGIC II Image Processor
The EOS 30D is the product of Canon's extensive in-house development: The DIGIC II Image Processor was designed specifically for Canon digital SLRs and enhances every aspect of image capture. Information captured by the CMOS sensor is processed and assembled into images of exceptional quality. With the DIGIC II Image Processor on board, photographers can expect natural color reproduction, precise white balance in any number of lighting situations and unparalleled clarity. The DIGIC II Image Processor employs sophisticated signal processing algorithms and works at greater speeds, all while consuming less energy. The entire processing chip - not just the software that drives it - is dedicated for use in a digital still camera.