At Jona's
Swift SW350B 40X 2500X Magnification Siedentopf Binocular Head Research Grade Lab Microscope

The seller is kydeals5 and is located in this country US. 40x-2500x compound microscope binocular microscope with electronic eyepiece lab led illumination & condenser the transmitted (bottom) led light source is naturally soft and closer to natural light. In addition, the X/Y axis can also record coordinates, so that the observer can quickly return to a specific location and observe the cells.