Magnification   x20 ~ x80,000    Accelerating voltage   1 ~ 20kV (1/3/5/10/15/20kV)    Electron gun   Tungsten Filament(W)    Detector   SE Detector    Stage   X:35mm(Motorized), Y:35mm(Motorized), R:360˚, Z:O to 50mm    Sample Size   45mm(H), 60mm(Diameter)    image Mode(Pixel)   RED(320x240), TV(640x480), Slow(800x600)   Photo(1280x960, 2560x1920, 5120x3840)    Frame Rate   RED(Max. 30 frames/sec)   TV(Max. 10 frames/sec)   Slow(Max. 2 frames/sec)    Vacuum System   Turbo Molecular Pump    Auto Functions   Focus, Filament, Brightness/Contrast    OS   Windows7    Operation   Key Board/Mouse    Dimension   400(W) x 600(L) x 550(H)mm, 100kg