The new Opteka High Definition² .35x Ultra 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! Additionally the built-in detachable macro lens allows you to take extreme high resolution close-up shots! Nothing changes the way you see the world like High Definition² and no company does High Definition² like Opteka. Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka!