Included - .20x Fisheye Lens, Lens Adapter, 52mm Adapter, 55mm Adapter, 58mm Adapter, Lens Caps, Lens Pouch</br>An essential tool for extreme sports and dramatic action shooters</br>High-index / low-dispersion optical glass, Fully multi-coated, every element</br>Designed to maximize day and night shots by providing maximum light and image</br></br>Product Description</br></br>Nothing changes the way you see the world like High Definition II, and no company does High Definition II like Opteka. In the professional setting, Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka.<br><br>The new Opteka High Definition II .20x Wide Angle Fisheye Converter Lens increases the versatility of your existing lens to provide breathtaking ultra wide angle views. And it's so easy to use! Great for every type of photographic situation!<br><br><b>Converts a 18-55mm into a 3.6-11mm Circular Lens</b><br><br>Opteka lenses put more creative control where it belongs - in your hands.</br><br/>http://www.amazon.com/gp/product/B001K5R38Q