Slit Lamp Illuminator Slit image width Slit image length Slit image radial range Radial movement of the slit light illumination relative to the microscope axis Blue, red-free, grey (10 %), yellow The UV filter and the heat absorption filter are permanently mounted Light source Halogen lamp bulb 12 V / 2.5A Illumination intensity: 75 000 Lux at position 1/4 150 000 Lux at position 1/2 300 000 Lux at position 1 Working temperature Stereo-Microscope Stereo angle Magnification changer Magnification: with ocular 10x (standard) with ocular 25x Range of adjusting eye-pieces Inter pupillary distance Instrument base Operation Adjustment of the instrument base Single handed 3-dimensional operation of the guide lever 100 mm (length), 100 mm (side), 30 mm (height) Power supply 8.1 kg (without power supply, headrest and options)