EXTREME FISHEYE Fits right over your camera's existing lens system, allowing you to get more in the picture, include more of the landscape, more people in group picture, and interiors show more of the room. Perfect lens for extreme sports, skateboarding, skydiving bike jumping etc....It also has the separate Macro lens, that can be used for very detailed close up pictures.Truly 2-in-1 photographic solution. -Mounts on any lens with 82mm filter thread - no adapter needed -Multi Coated Optics Lens System 6 Elements in 2 Groups -77mm Front Thread for Filter Mounting