Opteka .45x HD2 Wide Angle Converter for Canon EOS 18-55mm, 55-200mm, 28-90mm, 28-105mm, 70-300mm, 135mm Digital SLR Lens

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. Since it fits right over your camera's existing lens system, a wide-angle converter affects the full zoom range of your camera's lens. A wide-angle converter increases your angle of view - scenes include more