Specifications: MICROSCOPE Binoculars 45 degree inclined f'=160 mm Objective f'=250 mm Eyepiece 12.5x, high-eyepoint, wide angular, pupil exit distance 21mm Diopter adjustment -5D to + 5D Magnification changer 5 steps: 0.4x, 0.6x, 1x, 1.6x, 2.5x Total magnifications 3x, 5x, 8x, 12.5x, 20x Visual field 60 mm to 10 mm Interpupillary distance 55mm to 75 mm Focusing Micro-focusing manual 40 mm or motorized, pedal operated Working distance 245 mm ILLUMINATION Type Coaxial illumination by optical light-guide system Cold light source Halogen lamp, 15V/150W, twin bulbs Illumination control 3 steps Field of illumination 70 mm Power supply AC 110V/220V " C 220W Light intensity 80, 000 LUX Filter Green, Yellow Type Pantographic arm, floor stand Range 1210mm( 1st arm 330mm, 2nd arm 580mm, 3rd arm 330mm) Rotation angle 270 degree Elevation stroke 350 mm Base size 600 mm x 560 mm Weight 75 KGS ACCESSORIES Binoculars 0 ~ 60 degree tiltable binoculars f'=160 mm Objective f'=300 mm Beamsplitter dismountable Adaptor for CCD Camera f'=65 mm Observer's monocular