... 10X,40X(S),100X 2.USE USB 3.With LED Digital Biological Microscope (hand-held) with LED1. 45mm DIN Achromatic Objective:4X,10X ... Plane-Scope Eyepiece:WF10X;WF16X3.Total Magnification:40X-1000X4.Articulated Free Binocular Head,Interpupillary Distance:55-75mm;30º Inclined,360º ... Resoultion:1280(H)*1024(V),1/2'',chip; USB2.0,with Micro-image Process Software;Nosepiece:Backward Quadreple Nosepiece.10. ...