Opteka 0.45x HD2 Wide Angle Lens for Canon VIXIA HF G10, S10, S100, S11, S20, S200, S21, S30, LEGRIA HF S10, S11, S21, XF100, XF105, GL1 and GL2 Digital Video Camera A 0.45x wide-angle converter DOUBLES your angle of view, allowing you to get twice as much in the picture High Definition II - 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