Raynox DCR 1542 Pro The model DCR-1542PRO high definition telephoto lens is made of the high index optical glass elements with a concept of lens designing using two-group/four-element lens formulae. This concept in designing the lens made it possible to achieve an amazing high definition telephoto lens of the 340 lines/mm resolution power at center (MTF30%) low dispersion and the increased light transmittance at fringe area. This is an ideal Telephoto conversion lens for the High Definition camera with 25x or more optical zoom lens. By using a suitable adapter and/or holder the DCR-1542PRO lens can be used with the appropriate digital still camera or HD video camcorder effectively. * High-Resolution 340-line/mm * 2G/4E High Definition design * Minimum Chromatic Aberration * 67mm Front filter size * DCR-1542PRO comes with 3-adapter rings for 37mm 43mm and 46mm filter sizes.