Magnification: 1600X Observation method: transmission Optical system finite distance Eyepiece WF16X Objective lens 4X 10X 40X 100X Eyepiece tube hinged binocular Converter four holes Stage Double-layer stage, size 120*125 Focusing mechanism Coaxial coarse and fine focusing mechanism, coarse adjustment range 30mm, fine adjustment accuracy 0.002mm Condenser Abbe Condenser Light source LED light, adjustable brightness Packing: foam inner + paper outer carton If you have any questions, please contact us and we will have the opportunity to answer you.