The EOS line of Canon cameras is a series of digital single-lens reflex cameras that have been produced since 1987. The EOS line has been the mainstay of Canon's digital camera lineup, with models ranging from entry-level to professional. The EOS line has been praised for its excellent image quality, fast autofocus, and intuitive user interface. Canon has also released several accessories for the EOS line, such as lenses, flashes, and battery grips.