What is 400d?

The 400d, also known as the Canon EOS Digital Rebel XTi, is a digital single-lens reflex (DSLR) camera that was released in August 2006. It features a 10.1-megapixel CMOS sensor, a 2.5-inch LCD screen, and a Digic II image processor. The camera has a maximum ISO sensitivity of 1600 and can shoot up to 3 frames per second. The 400d also has a range of autofocus modes and an 9-point autofocus system. It is compatible with both EF-S and EF lenses.