If you want to learn more ... Vertasium has a good video on the 3-different types of Night Vision. https://www.youtube.com/watch?v=UAeJHAFjwPM https://www.you

If you want to learn more ... Vertasium has a good video on the 3-different types of Night Vision. https://www.youtube.com/watch?v=UAeJHAFjwPM https://www.youtube.com/watch?v=UAeJHAFjwPM 1. image intensification 2. active illumination 3. thermal imaging