Opteka .45x HD&sup2; Wide Angle Lens for Canon Powershot G10 & G11 Digital Camera A .45x wide-angle converter DOUBLES your angle of view, allowing you to get twice as much in the picture High Definition  2 times the resolution of standard high definition lenses Exclusive SureGrip composite material is used around the barrel. This material is exceptionally non-slip, yet soft and easy on your hands Digital Multi-Coated to reduce the appearance of lens flare and ghosting caused by reflections Adapter included