Night Sight Optimal combination of target and background contrast for precise night shooting Night vision riflescope Dedal-490-DK3(100) is intended to be attached to a rifle for observation, target recognition, and aimed medium and long-range shooting distances in natural night illumination. A unique optical system that takes into account image intensifier tube features and night light spectral composition, low-dispersion optical glass grades, a special multilayer antireflection coating, and...