A microscope (1) having a principal observers beam path (2a) and an assistants beam path (3a, 3b), and having an optical beam splitter device (5, 15) for generating a documentation beam path (4), where the beam splitter device (5, 15) in a first position outcouples the documentation beam path from the principal observers beam path (2a), and in a second position outcouples it from the assistants beam path (3b).