Eye piece 5X Objective Lens F = 250mm Microscope Head Magnification Change / 3-staged magnification system Beam Splitter / Built in llumination system/Light guide system Effective visual field /50-20mm Binocular Tube/Straight type Magnification change /3x, 5x, 8x, (3steps) Illumination Part Illumination field/53mm Angle Adjustment/Coaxial illumination by fiber light guide Light Intensity/0W ~ 150W ( 46.000 Lux ) Lamp/Halogen 15V, 150W Cooling system/Air cooling system Power Supply/Transformer Type Power source/220V, 50-60Hz
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