This heavy-duty clear polycarbonate case is contoured to the camera, durable, and completely corrosion free. A clear view of the main o-ring seal, port o-ring seal and camera controls provides ease of use and confidence. The housing is fully functional to a depth rating of 200 feet (60m) and only slightly negative in salt water depending on choice of lens port (Lens port required sold separately.) Controls are provided through the housing for every camera function except the diopter adjustment dial and kept water-tight with Ikelite pioneered Quad-Ring seal glands proven to be the most reliable method of sealing controls. A large zoom control knob can be comfortably reached without removing your hand from the handle. Recording start/stop while in video mode is also accessed effortlessly from the handle by the thumb of your right hand. The Super-Eye magnifier comes standard and offers enhanced visibility of the camera"s viewfinder while wearing a diving mask. The camera"s large LCD screen can be clearly viewed through the back of the housing. The live preview feature of the camera is accessible for framing your photos using the camera"s LCD screen. Release handles with comfortable rubber grips allow for easy attachment and removal of mounting arms at the touch of a button. Two 12-24 screws remove the handle and tray assembly for traveling. A 1/4-20 threaded top mount allows for attachment of a focus light. Accepts #9571.6 optional 1" (2.5cm) or #9573.