Quad tube binocular
From Night Vision Wiki
A quad tube binocular is a type of Panoramic night vision binocular that has 2 channels in parallel and 2 angled outwards to achieve that higher field of view without sacrificing stereoscopic vision.
A quad tube binocular is a type of Panoramic night vision binocular that has 2 channels in parallel and 2 angled outwards to achieve that higher field of view without sacrificing stereoscopic vision.