... :4X,10X,40X(S),100X 2.Digital USB 3.LED 4.Reasonab Pric 1600X Binocular Digital Microscope1. 45mm DIN Achromatic Objective:4X ... -Scope Eyepiece:WF10X;WF16X3.Total Magnification:40X-1600X4.Articulated Free Binocular Head,Interpupillary Distance:55-75mm;30º Inclined,360º Rotatable ... Fine Focusing Adjustable Mechanism:20mm Precision:0.002mm5.Built-in Digital Camera Sysyem,Resoultion:1280(H)*1024(V),1/2'', ...