ONYX version is equipped with white phosphor and the result is black&white image. This device with image intesifier tube Gen.2+ DEP - Photonis in version XD4 ONYX min. 57 lp/mm, S/N Ratio min. 19, photocathode sensitivity min. 600 µA/lum and gain min. 20 000x. Lifetime is minimal 10 000+ hours. IIT is Autogated.