Canon Tele-Converter TL-H58 for XF205, XF200, XF105, XF100, XA25, XA20, XA10 Professional Camcorder This accessory lens screws onto the front of the camera's lens, and increases the telephoto reach of the camera by 1.5X For use with the CANON VIXIA HF S10, S100, S11, S20, S200, S21, and other models as specified