Magnification: 400X Observation method: transmission Eyepiece 10X Objective lens Achromatic objective lens 4X, 10X, 40X Eyepiece tube monocular Converter Three-hole converter Focusing mechanism Coaxial coarse and fine focusing mechanism Stage Single-layer stage with digital display constant temperature stage Condenser Abbe condenser with aperture diaphragm Lighting system 3W LED light Screen 9 inches If you have any questions, please contact us and we will have the opportunity to answer you.