Bio-Microscope Microscope 45mm DIN Achromatic Objective: 4X,10X,40X(S),100X(S,Oil); Wide Field Plane-Scope Eyepiece: WF10X,Wf16X; Articulated Free Binocular Head, Intepupillary Distance:55-75mm, 30ºInclined, 360ºRotatable Built-in Digital Camera System, Resolution:1280(H) *1024(V),1/2Chip, USB2.0 with Micro-image Process Software Nosepiece: Forward Quadruple Nosepiece Double Layers Mechanical ...