Used Ikelite 6146.02 Canon G1X Mark II Underwater Waterproof Camera Housing

True Canon TTL Exposure: TTL or "Through-The-Lens" flash metering means the strobe interprets information from the camera to control flash duration and properly expose an image. TTL may be accomplished directly through electrical signals from the camera, or indirectly through watching the behavior of the camera's built-in flash. Circuitry built into this housing allows the camera to communicate directly with compatible underwater strobes (see Strobe Compatibility section below). When connected via this circuitry, the camera learns that an external flash is attached and is able to more accurately adjust exposure by knowing this. The camera's flash will not fire, eliminating the shutter lag associated with waiting for the camera's flash to recycle. Sync Cord Connections: The Ikelite-style electrical bulkhead is widely recognized as the most reliable waterproof strobe sync connection available. In order to communicate with the camera, compatible Ikelite DS strobes must be connected to t