National Geographic Microscope 40x-800x - the microscope for young and old! Thanks to the new, innovative smartphone holder, you can also observe through a smartphone and save motifs by taking photos. The microscope not only impresses with its cool design, but also with many accessories that enable you to get started with microscopy. These include preparations such as yeast and shrimp eggs, as well as cover glasses and slides. The motifs can be enlarged from 40x to a maximum of 800x.