Microscope Zoom Ratio 6.5(0.7 x -4.5x) EyepieceWF10X (diamter 20mm) Objective 0.7x -4.5x Working Distance 95mm Mcroscope Optics System Inner inclination optical viewing system, stereo viewing angle 13º,inclination at 45º viewingZoom Ratio1:6.5(0.7×~4.5×)EyepieceWF10×(ø20mm)Objective0.7×~4.5×Working Distance95mmViewing Field range5.1mm~33mmInterpupillary Adjustable Rang55mm-75mmRound Working Stage ...