Buy on Amazon : br br Canon 35mm 20x Optical Zoom Lens for the XL2 Camcorder br br Intended for use with the Canon XL2 Camcorder br Professional L-Series Flourite lens with 20X zoom capability br Equivalent to 423 to 846 millimeter lens in 35 millimeter format while recording in widescreen format br Equivalent to 518 to 1036 millimeter lens in 35 millimeter format when recording in TV-standard format br 72 millimeter filter thread offers compatibility with a wide array of filters