The latest in Ikelite housing technology, including great video-recording ergonomics, True Sony TTL, great port selection and a 200-foot depth rating. $1,500, plus lens port.
With full-frame sensor, ultrahigh ISO sensitivity, wide-dynamic range, 4K video recording, small size and great lens selection, the a7S II is the perfect camera for the underwater videographer. $2,999.95
This optical-grade acrylic dome is as sharp as glass at a fraction of the weight. $550 and up.