US Patent 7586677 Stereomicroscope system having an incident illumination device

A stereomicroscope system (1) having an incident illumination device is disclosed. The stereomicroscope system (1) comprises a base (13) on which a focusing column (11) is secured. Mounted shiftably on the focusing column (11) is a focusing arm (5) which has an opening that serves to receive a stereomicroscope (3). The stereomicroscope (3) defines a device axis (20) that is perpendicular to the base (13). Multiple light-emitting diodes (30) are arranged in the focusing arm (5) around the receiving opening (5c). Multiple light-emitting diodes (31) are likewise arranged along the focusing arm (5) between the focusing column (11) and the receiving opening (5c).