Opteka 58mm 0.3X HD2 X-TREME Super Fisheye Lens for Canon GL1, GL2, VIXIA HF G10, S10, S100, S11, S20, S200, S21, S30, LEGRIA HF S10, S11, S21, XF100 and XF105 Digital Camcorders High Definition II - 2 times the resolution of standard high definition lenses Designed specifically for camcorders 180Deg Degree Capability High-index / low-dispersion optical glass, Fully multi-coated, every element 11 Year warranty