Carl Zeiss Jena Mirror Stereoscope

collapsible WWI mirror stereoscope used for photo-interpretation of large format aerial photos, green military crackle finish. This viewer features a large angular field and excellent Zeiss Optics. In use the side mirrors are extended using detachable legs. Combination of binocular lenses, prisms and front and surfaced mirrors which are protected by metal covers. The binocular magnifier can be replaced by a second pair for unmagnified stereo viewing. In perfect condition and in the original fitted box. An exciting and unusual stereoscope!