WCON-08B is a wide angle attachment lens for the Olympus Cameras. When fitted to the front of the built-in lens, it will reduce its focal length by a factor of 0.8, this is equivalent to 28 mm on a 35-mm film camera. The front end is threaded and accepts 105-mm screw-on filters and the camera end is 62mm. The lens sell for around $130.
For more on the lens visit Wronniak.Net http://www.wrotniak.net/photo/e10/wcon-08b.html