BuyDig offers the Nikon WP-N3 Waterproof Camera Housing for $99. Coupon code "SPLASH50" cuts it to $49. With free shipping, that's $50 below our mention from last month and the lowest total price we've seen. (It's a current low by $466.) It is compatible with the Nikon 1 J4 and S2 cameras and has a depth rating of 147 feet.