The Topcon SL D2 comes fully refurbished by an in house trained and certified technician. Each unit is inspected mechanically, optically, and even cosmetically with FREE lifetime phone support and a 6 month parts and service warranty. This lamp is a 3X magnification lamp (10x, 16x,25x) with the rheostat on the base and the push button on the joystick. This unit can also have Topcon's Digital Camera added to it at any time.