This Canon EF-S Zoom 18-55mm lens is compatible with Canon cameras and has a maximum aperture of f/3.5-5.6. It has a focus type of zoom and a focal length of 18-55mm. The lens is untested and weighs 7 1/4 oz. It is compatible with 55mm filters and has a mount of Canon EF-S. The lens is a great addition to your photography gear.