Product Name: Binocular Biological Microscope Xsz-107bn Hot Sell Model NO.: XSZ-107BN Principle of Optics: Phase Contrast Microscope Principle: Optics Shape: Rectangular Prism Kind of Light Source: Ordinary Light Stereoscopic Effect: Stereoscopic Effect Mobility: Desktop Number of Cylinder: Binoculars Type: Biological Magnification: 40X-1600X Trademark: shinea Transport Package: Foam+Carton Box Specification: 1pc/ctn Origin: China HS Code: 9011800090 Product Description SpecificationAchromatic Objectives4X,10X,40X(S),100X(S,Oil)EyepieceWide Field Eyepiece :WF10X,WF16XViewing headSliding Binocular Head Inclined at 45°StageDouble Layer Mechanical Stage Size 140x140mm,Moving Range 75X45mmFocusingCoaxial Coarse and Fine Adjustment,Focusing Range 30mm,Focusing Interval 0.002mmCondenserAbbe NA=1.25 with lris Diaphragm&FilterIIIuminationHalogen Lamp 220V/6V20W or 110V/6v20W ; (LED lam optional)