NNVTs vs Photonis ECHO & 4G High Gain - We Compare All the Night Vision Tubes We Carry!
Chinese Autogated NNVT vs Photonis Echo | Are these NVG tubes any good? [4K]
![Chinese Autogated NNVT vs Photonis Echo | Are these NVG tubes any good? [4K]](https://img.youtube.com/vi/66sOQ0TkXb8/0.jpg)