Eyepiece Plane-Scope Eyepiece: WF10X, WF20X Objective WorkingDistance: 90mm, 1Xand2X, or1Xand3X, or1Xand4X, or2X, 3X, or 2Xand4X, or3Xand4XFor Selecting Viewing Head Articulated Free Binocular Head, 45degree Inclined, 360 degree Rota table X Factors 10X-80X Stage dimeter: 75 Frosted Glass Objectplate, dimeter 75mm White / Black Objectplate Focusing Rack And Pinion Coarse Focusing Adjustable Mechanism Illumination Top Light-6V / 20W Incandescent Lamp Net Weight / Set 4kg Package Foamed Plastic + Inner Carton + 2 Sets In An Outer Carton: 48X30X38cm GrossWeight / Carton 11kg