The NVRS series of night vision riflescopes continue to garner rave reviews from top shooters around the world. Built on a military-grade titanium body, the NVRS provides an exceptionally strong, lightweight foundation for its high-res image illuminator tube and precision coated optics. The NVRS 2.5x50 provides comfortable viewing with a 15 degree field of view. The unitÂ’s 50mm objective lens is one of the largest objective lens in use and provides outstanding light-gathering capabilities. The NVRS 2.5x50Â’s multicoated optics provide a high degree of light transmission, which is enhanced by YukonÂ’s Quality Certified Gen 1 tubes. Gen 1 intensifier tubes work by using a photocathode to transform the gathered light into electrons, which then pass through the image tube and bombard a Phosphor screen to produce the green illumination of an image. All image intensifier tubes are extremely light sensitive and can be destroyed by bright lights; however the NVRS remedies this problem by including a hinged lens cap Minimize