.38X FISHEYE FISH EYE WIDE ANGLE LENS FOR JVC EVERIO GZ-MG21 GZ-MG21U Camcorders
Professional Super Wide Angle 0.38 Fisheye lenswith Macro. Among the many makes whose products it fits are Sony, JVC, Olympus, Canon, Nikon and others. You just screw this lens on front of your existing lens.