The Canon EOS Rebel XTi is a digital SLR camera with a maximum resolution of 10.1 MP. It comes with an EF-S 18-55mm and 55-250mm lens, and filters. The camera has a maximum aperture of f/3.5-5.6 and an optical zoom of 3.1x. It features interchangeable lenses, built-in flash, and auto-focus. The camera uses a Lithium-Ion battery and is made by Canon as part of their EOS series.