With the SeaLife 0.75x Wide Angle Conversion Lens, you can stay within the shooting range of your flash and still fit everything in the shot. The Wide Angle Conversion Lens compensates for the water's magnification effect, increasing underwater field-of-view by 33%! The lens fits all DC series SeaLife cameras and other cameras with 52mm threads and can easily be attached and removed while underwater. The 0.75x Wide Angle Conversion Lens compensates for the magnification effect of water, increasing your underwater field of view by 33%. Maintains camera’s focal length on land or underwater. Universal 52mm lens mount works with many other cameras and housings. Lens is a “wet” lens and can be mounted or removed underwater.