Description: You screw these lens to the front of your existing lens to get wide angle. It includes 52 to 49mm adapter + SER VII to 49mm adapter + Hoya protecting 49mm filter. It was tested with a Nikkor 35-70mm auto lens (Nikon mount), and you can see nice effect with and without it at wider zoom position (see pics).

Issues: none, just some unimportant cleaning marks in front lens.