https://nighthawkvision.com/blogs/resources/night-vision-tube-selection-guide 2024-08-20T01:30:43-04:00 weekly https://cdn.shopify.com/s/files/1/0613/1646/4849/articles/night_vision_tube_comparision_Gen-3_L3_Elbit_NNVT.jpg?v=1724131843 Night Vision Tube Brand & Type Selection Guide NNVT Gen-2, Photonis ECHO, Elbit thin-filmed Gen-3, L3 Unfilmed filmless, VS L3Harris Supergain low light field comparison