This is digital camera with 21 Megapixel, 35mm full frame CMOS sensor,
flagship digital SLR produces files that convert to over 100MB
uncompressed 16-bit TIFF, setting a new benchmark in image resolution
and sharpness for 35mm-format digital photography.
See more specific and picture about Canon EOS-1Ds Mark III here :
http://new-camera-digital.blogspot.com