Magnifying Head, Power 6X, Diopter 24D, Focal Distance 1.67 in, Lens Diameter 1.96 in, Case Plastic, Features German Optics, Wide Field, For Use With 3DUX3, 3DUX4, 3DUX5, or 3DUX6 Handles, Includes -, Lens Aspheric with Cera-Tec Coating