Zeiss Ikon: Circa 1952 Stereotar C attachment and accessory kit for Contax cameras. Complete in original leather case with 35 mm f3.5 twin-lens assembly [#St 15401] with front and rear metal caps, 810/02 separating prism, Stereo 420 viewfinder, and matching Stereo-Proxar 20 mm, 30 mm, and 50 mm lenses, each with original metal lens cap. One of only approximately 1200 to be produced.