The Century Optics .65X Wide HD Converter gives a wide angle of view with full zoom-through capabilities for camcorders with 43mm front threadsThe Century Optics .65X Wide HD Converter increases the horizontal angle of view by 35% across the zoom rangeThe professional HD converter from Century Precision Optics is suitable for ultra-compact camcorders with 43mm front threadsThe Century Optics .65X Wide HD Converter increases the focal length of the lens by a factor of .65x when attached to the camera