This high performance illuminator delivers high intensity illumination, using a 150W halogen lamp for enhanced image viewing. 0 to 100% intensity control provides full variation in brightness. Low noise, fan cooled, with rubber feet for minimal vibration. This unit comes with a dual light pipes featuring self-supporting, chrome plated sheathing for variable, accurate positioning. Each pipe measures 18" long. Access to halogen bulb through door on bottom of illuminator.