The Canon Ef-eos M Mount Adapter is compatible with Canon Ef and Ef-s, including fixed focus and zoom lenses covering a focal length range from 8mm to 800mm. This set contains a Canon Ef-m Lens Adapter Kit for Canon Ef / Ef-s Lenses, an R-f-3 Camera Cover, an Eb Lens Dust Cap for Ef-m Lenses, an Instruction Manual, a Display Box, and a 1-Year Limited Warranty.