Model : XSZ-107BN Specification: Achromatic Objectives:4X,10X,40X(S),00X(S,Oil) Eyepiece :Wide Field Eyepiece WF10X(WF16X optional) Viewing head:Sliding Binocular Head Inclined at 45° Stage:Double Layer Mechanical Stage Size 140X140mm,Moving Range 75X45mm Focusing:Coaxial Coarse and Fine Adjustment,Focusing Range 30mm,Focusing Interval 0.002mm Condenser:Abbe NA=1.25 with Iris Diaphragm&Filter Illumination :Halogen Lamp 220V/6V20W or 110V/6v20W