Electron Optics Instruments, LLC. is the leading Scanning Electron Microscope (SEM) distributor in the United States. Our SEM experts have built a reputation on providing high quality sales and industry-leading service for Tabletop SEM and Benchtop SEM equipment. Each of our Electron Optics Service engineers is factory trained and possesses an average of over two decades of experience. Our commitment is to providing our clients with a effortless experience for the lifetime of their electron microscope equipment.