Pulsar's Telos XG50 is perfect for nighttime hunts, wildlife observation, and search and rescue applications. Like all of Pulsar’s thermal devices, the Telos XG50 offers exceptional imaging quality and performance. This is thanks to a combination of a high-sensitivity thermal detector, a fast aperture 50mm/F1.0 Germaniun lens, and the advanced Pulsar Image Boost Technology. The thermal detector features a sensitivity of NETD Pulsar Telos XG50 Thermal Monocular PL77513