EACHSHOT Diving Underwater Camera Lens Dome Port Lens Housing for Gopro Hero 3 3+/4 Camera Underwater Photography CompatibleFor GoPro Hero 3 3+ 4 Moving the waterline away from the lens makes it possible to capture images both above and below the water simultaneously. These are often referred to as half and half, 50/50, over under or split-level pictures. Easy to operate, nearly infinite depth of field, wide-angle lens and video and still image quality make the GoPro perfectly suited for this application.