Microscope Good Quality; Paired Sliding Objectives 1X,or 2X,or 3X, ... , WF15X(Optical) Total Magnification:10X, or 20X,or 30X, or 40X(15X, or 30X, or 45X, or 60X) Articulated Free Binocular Head ... Package:4Sets/ctn61*35*36cm G.W:10.5KG Stereo-Microscope