The Fantasea Line SharpEye M67 is an underwater macro lens with a +4 diopter that works on many camera housing ports that have 67mm filter threads. The lens increases magnification. It features a depth rating of 328'. The SharpEye ships without the required adapter for mounting onto the housing's port. Check the Accessory Finder to find the right one.
Image quality increases greatly when you move in close and eliminate as much water as possible between you and your subject. This macro lens allows you to get really close to very small marine creatures. Additionally, it is multi-coated to minimize reflections. The Fantasea SharpEye M67 can be added on and removed while underwater.