The Quadra magnifier?is part of the Daylight Company's range of?magnifying lamps. It has an extra wide rectangular glass lens with 3 dioptres (1.75X) magnification providing a superb panoramic view. High power LEDs on both sides of the lens give shadow-free magnification. Each side can be independently switched on or off to give 3 dimensional viewing. Its heavy-duty arm with internal springs allows accurate and consistent positioning. An auto switch-off function saves energy.Add extra magnification with an optional 12 dioptres (4.0X) swing arm lens or suction lenses available separately.