... ISO,CE 3.Cheap price Round Stage Monocular Biological Student Microscope XSP-L101 Configuration:Achromatic Objectives :5X,10X,45X(S)Eyepiece:H5X ... ,Fine adjustment range 1.4mm-1.8mmIIIumination,Condenser : Disc Diaphragm XSP-L101 Monocular Biological Student Microscope