The model HD-3035PRO Semi-Fish Eye conversion lens is designed to broaden the angle of view, including 180% more area in the picture, when attached to the lens of Digital Video Camcorder or Digital Cameras. It"s compatible with up to 6x zoom(Camocrder) area and stays in focus. The HD-3035PRO has achieved an amazing high definition standard of 520 lines/mm resolution power at center (MTF30%) in the Semi-Fish Eye formula.