... ,1.8xObject lens1.3x,1.8xEye lens10x,10xEye lens16x,16xMain magnificatiaon13x,18xMain magnificatiaon20.8x,28.6xAdjustment range of microscope interpupillary distance55~82mm Slit image ... regulation degree0~10mm Liris diaphragm diameterφ0.2,φ1,φ3,φ4,φ6,φ8,φ10mm Color ...