GFM Digital Conversion Lens Kit, with a 0.5x Wide Angle Lens, 2.0x Telephoto Lens and 4 Adapter Rings (25mm, 27mm, 30, 30.5mm) for Sony, Canon, Samsung, JVC and other brand Camcorders High Quality Optical Glass optimized for todays digital cameras and camcorders Doubles your zoom range, for spectatular telephoto views Caputres twice the angle of view, for scenic panoramic shots 37mm telephoto and wide angle lens with 4 rings to fit any of the following screw-in attachment sizes: 25mm, 27mm, 30mm, 30.5mm This Digital Conversion Lens Kit is your ideal camera or camcorder accessory