The EOS 400D, called Digital Rebel XTi in North America and EOS Kiss Digital X in Japan is an entry-level digital single-lens reflex camera introduced by Canon in 2006. It uses the DIGIC II image processor. It is a single chip system introduced in 2004.
Lens: Canon EF lens mount, Canon EF-S lens mount. ISO range- ISO 100 to 1600 Exposure metering: Full aperture TTL, 35-zone SPC. Shutter: Focal-plane, vertical travel, mechanical. Shutter speed range 1/4000 s to 30 s bulb 1/200 s X-sync. Flash: E-TTL II automatic built-in pop-up, 13 m ISO 100 guide number, 27 mm (equivalent in 35 format) lens focal length coverage; compatible with Canon EX Series Speed lite external hot shoe-mount flashes. Viewfinder: Eye-level pentamirror SLR, 95% coverage, 0.8× magnification.