Pulsar’s Merger XL50 is the latest version of the renowned Merger thermal binocular line. It offers the same combination of thermal imaging technology with a the design of classic daytime binoculars, but features a wide array of upgrades. Perhaps the most notable improvement of the Merger XL50 is a new HD 1024x768 12 µm thermal sensor. This detector is significantly more powerful than those used on pervious models, capable of detecting the slightest temperature variations (NETD Pulsar Merger LRF XL50 2.5-20x Thermal Imaging Binoculars PL77481