This housing requires the addition of a compatible lens port for waterproof operation. Lens port not included. 200 ft. (60m) depth rating DLM Type B port mount Controls for all important camera functions; controls are not provided for Diopter Adjustment Control, Flash Open Lever or Focus Mode Lever Ikelite flash bulkhead connector with built-in TTL circuitry Two 1/4-20 threaded tray mounts with 3-inch (76mm) spacing Ikelite bulkhead connector with built-in TTL circuitry Slightly negative buoyancy in fresh water Actual buoyancy varies depending on choice of lens and port ABS-PC, acrylic and acetyl construction Superb handling This powerful compact housing packs in all of our latest upgrades to controls and ergonomics. The shutter lever has been updated to a more sensitive and natural feeling curved design. The standard control hugs the side of the housing for comfortable use when hand holding. It can be easily extended using the optional Shutter Trigger Extension to put it within easy reach when using a right-hand quick release handle. Our push buttons have been redesigned to reduce weight and salt build-up. The video record start/stop button is bright red anodized so that you never miss the action. The back of the housing features laser engraved control symbols which will never fade or fall off. The camera mount is front-loading for easy installation and removal. A small mounting plate attac