... : 4X,10X,40X(S),100X(S,Oil); Wide Field Plane-Scope Eyepiece: WF10X;Articulated Free Binocular Head, Intepupillary Distance:55-75mm ... , Resolution:1280(H)*1024(V),1/2Chip, USB2.0 with Micro-image Process SoftwareNosepiece: Bcakward Quadruple NosepieceDouble Layers Mechanical Stage:125X130mm ... Halogen Lamp 6V/20W (or Incandescent or Fluorescent, or LED) Microscope XSP-151DN