As well as the EOS Integrated Cleaning System, the EOS 400D incorporates a number of developments over the EOS 350D. Resolution increases from 8.0 to 10.1 Megapixels, using the superior hi-sensitivity, hi-speed, low-noise CMOS technology. At nearly twice the size of the EOS 350D display, the 2.5 hi-resolution LCD is brigh and displays all of key shooting and user interface information along with image playback. The AF system expands from 7 to 9