Leica S4E stereo zoom Microscope + 2 Leica 10447137 stereo lenses + Leica focusing stand + broad fiber optic light source (this is a halogen light source for broad spectrum reflection and is the most comfortable light source on the eyes) zero heat communication between the adjustable Dyna Lite halogen 150 light source and head of the microscope with the fiber optic light ring. Includes Leica dust cover, always stored in a HEPA filtered room, see pictures for overall condition, lenses/optics are flawless, used for precision engineering/measurements of small parts.