This Ikelite underwater housing for Canon is ultra compact, ergonomic, durable, and completely corrosion free. Made of clear polycarbonate and fully functional to a depth rating of 200 feet (60m) The housing size and weight provides almost neutral buoyancy and superb handling underwater. Camera installation is quick and simple. The dependable controls are conveniently placed at fingertip, and kept water tight with the Ikelite pioneered Quad-Ring s