Top: Prototype UR surveillance and sighting device based on the Spanner I Bildwandler (the bi-polar prototype). Both the the Bildwandler and a 200mm UR-Scheinwerfer installed on a common platform. 2nd:Spanner IIa Bildwandler (unipolar model). 3rd: FG 1250 type device Bildwandler with an open slip on magnifier on the ocular. The cover, taken from the lens of the Bilderwandler, can be seen beside, as well as the additional slip-on magnifier module. 4th: An all-weather operation capabilities…