Ikelite 6871.03 Underwater Camera Housing for Canon Digital EOS 5D Mark III Camera (Clear) Made from corrosion-resistant polycarbonate, which is clear to allow you to monitor O-ring seal and maintain a full view of camera Designed, made by hand, and tested in the USA Aluminum 1/4"-20 threaded top mount serves as additional attachment point for lightweight accessories Interchangeable Lens Port System Depth rating: 200'