The biggest difference between the night vision and the thermal imager, well I think: the thermal imager converts the invisible infrared energy emitted by the object into a visible thermal image. The night vision system actively receives the light source through the image enhancement system until the external light source irradiates the object and is reflected to the night vision system for multiple reception, and then the night vision system can image.
The effect is different. If you have used ordinary night vision goggles, you will find that the observation experience of night vision goggles is completely different from that of ordinary infrared thermal imagers. This is because the general night vision instrument directly observes the target through the lens, so the field of vision is round and the picture is green, just like the telescope lens. If the clarity is enough, it is possible to identify who the target is, and it is also possible to see people's facial features clearly.
The thermal camera sees the image on the internal LCD instead of directly seeing the target, so the field of view is square. The imaging of infrared night vision thermal imager will be based on temperature distribution. The higher the temperature, the greater the brightness. On the contrary, the lower the temperature, the darker the color. The main purpose is to find the target and determine the target category, such as people and animals.
The influence of light factors is different: the second generation night vision instrument is greatly affected by the environment due to its imaging principle. Especially the influence of light. When the light is dim, the viewing distance is shortened. In the case of all black, the auxiliary infrared light source must be used, and the distance of the auxiliary infrared light source can only reach 100 meters.
The effect is different. If you have used ordinary night vision goggles, you will find that the observation experience of night vision goggles is completely different from that of ordinary infrared thermal imagers. This is because the general night vision instrument directly observes the target through the lens, so the field of vision is round and the picture is green, just like the telescope lens. If the clarity is enough, it is possible to identify who the target is, and it is also possible to see people's facial features clearly.
The thermal camera sees the image on the internal LCD instead of directly seeing the target, so the field of view is square. The imaging of infrared night vision thermal imager will be based on temperature distribution. The higher the temperature, the greater the brightness. On the contrary, the lower the temperature, the darker the color. The main purpose is to find the target and determine the target category, such as people and animals.
The influence of light factors is different: the second generation night vision instrument is greatly affected by the environment due to its imaging principle. Especially the influence of light. When the light is dim, the viewing distance is shortened. In the case of all black, the auxiliary infrared light source must be used, and the distance of the auxiliary infrared light source can only reach 100 meters.