Viewing Head: Seidentopf Type Binocular Inclined at 45? Eyepiece: WF10X Nosepiece: Quadruple Objective: Achromatic 4? 10? 40?s), 100?s,oil) Stage: Mechanical Stage 130?25 mm Focusing: 6V/20W Halogen Lamp Condenser: Adjustable Brightness Power: AC input 230V or 110V, DC Output 6V