Take your DSLR where no other camera will go... underwater. Ikelite's Waterproof Camera Housing ($250 and up) is a clear custom-made, watertight case is available for Canon, Fuji, Nikon, and Olympus SLR cameras, as well as most point-and-shoot cameras.  Along with a depth-rating of up to 200 feet, this camera housing features a built-in flash diffuser, external color filters, external hard-wired or optical underwater strobes, video ligthing,  camera tray and handles, and more.