HI! this another porro 8x30 germany made bino. as can see nintage bino this brand " sib" optics as I CHECK on the internet they make night vision bino"s for army telescopic sight"s and more combat items and bino"s. this for binastro also joachim to observe this german brand [ they have internet site "sib optic" or "sib binoculars" ] PREDUCE items for army"s / combat