These are some of the coolest items to come out of former Yugoslavia. Used on the Yugoslavian Panzerfaust 57 anti-tank launcher. It can also be used as a monocular and as a rather accurate range finder. . Affordable, practical, and downright cool.
Approximately 3.5x magnification. Glass is mostly good on all that I've seen, but occasionally there may be slight imperfections from field use. That being said, most are in good shape and work just fine.