Pulsar Pl77486 Merger LRF Thermal Binocular 2-16X 50mm Black Magnesium Alloy One Of The Standout features Of The Merger LRF XT50 Binocular Comes In The Form Of a highly Sensitive European-Made Thermal Sensor, boasting An Impressive <40mK NETD Of Thermal Sensitivity. This Thermal Sensor captures Precise And High-Quality images, Even Under Challenging Observation conditions With Low Thermal Contrast. The Merger LRF XT50 Binocular ensures That Even The smallest Temperature Differences Become Clearly Visible. This Cutting-Edge Technology Allows Hunters And Outdoor enthusiasts To Maintain An Advantage In identifying Targets. Magnification: 2-16X Objective: 50mm Field Of View: 17.50-30.70ft @ 100yds Eye Relief: 15mm