FNV14/18 can realize infrared and microlight imaging. By coupling the microlight night vision image and infrared thermal imaging image, the user is able to observe the microlight and infrared imaging image through the eyepiece at the same time, maximizing the combination of the advantages of the two systems, enhancing the microlight night vision goggles to observe the use of the effect of the detection and observation of the target to get a great deal of improvement in the ability to detect and observe. The product is suitable for night operation observation, can carry out close equipment operation, reading, maintenance, but also for night terrain, features, light vehicles and other distant targets to implement observation.