Compact light weight Table top with easy operations. 300mm diameter screen with 90° cross line and chart holders. Screen is graduated to 360° with vernier reading 6 minutes. Projection Light Source with 24V / 150W Halogen Lamp. Double Oblique Light source for Surface Illumination. Two adjustable dichroic reflector lamps 12V / 100W each. Focussing can be adjusted manually by hand wheel. High Quality objective lenses. Optical distortion below 0.15%. Standard magnifications : 10x, Optional : 20x, 50x and 100x. Measurements available through Manual or Digital Micrometers. Optional Work Tables for Micrometer Heads and for linear scales. Cooling by built-in noiseless and vibration free fan. Available in 110V or 220V through low voltage transformers. Supplied complete with operating instruction manual. Optional Cabinet base metal stand.