https://www.atncorp.com/blog/thermal-scope-rain-fog-snow-performance-guide
ATN leads the industry in night vision and thermal imaging innovation. Their 4K digital systems provide crystal-clear imagery day or night, while thermal imagers detect heat signatures with exceptional accuracy. Trust ATN for optics that perform when it counts. With advanced features, rugged construction, and intuitive controls, ATN products are the choice of professionals and enthusiasts who demand superior optical performance, reliability, and versatility in any lighting condition or operational environment.