The Pulsar Telos XL50 Thermal Monocular delivers advanced thermal imaging performance with 2.5-20x magnification and a 50mm objective lens for superior heat detection and observation capabilities.Pulsar Telos XL50 Thermal Monocular with black rubber armor2.5-20x variable magnification with 8x digital zoom50mm objective lens with 1800 meter focus range1024x768 resolution 12 microns 50Hz for crisp thermal imaging7-hour battery life with IPS7 Li-ion battery pack14.0 x 10.5 degrees field of viewLightweight design at 23.97 ozIdeal for hunting surveillance search and rescue operations and wildlife observation providing reliable thermal detection in all weather conditions and complete darkness.