Exosens engages in the development, manufacture, and sale of electro-optical technologies in the fields of amplification, and detection and imaging in France, rest of Europe, North America, Asia, Oceania, Africa, and internationally. It offers image intensifier tubes; ultraviolet, short, medium, and long wave infrared, visible - near infrared, and mid-wave infrared cameras, as well as enhanced vision equipment; ion and electron, scintillation, and single photon detection products; x-ray components, neutronic imaging products, and image intensifiers for scientific applications; and gamma and neutron detectors, and mineral insulated extensions. The company also provides power tubes and microwave devices; and methane airborne detection solutions. It operates under the Photonis, Xenics, Telops, and El-Mul brand names. The company serves defense and surveillance, life sciences, industrial control and nuclear markets. The company was founded in 1937 and is based in Mérignac, France.