Large and sturdy base provides stability to the microscope and houses the solid state transformer working on 6V-20W Halogen Lamp.The Binocular observation head assembled from finest prisms in 45o inclined with eye point position 320mm raised above the desk Surface for greater comfort to the observer. It is interchangeable with straight tube.Brilliant illumination based on Koehler system is provided by a high intensity 6V-20W Halogen Lamp Illuminator, powered from a base built in variable intensity controlled transformer.