Zeiss Ikon Stereotar Attachments. Comprising a Steritar 812 set in maker's box with a Zeiss 861/07 mount and another in a custom made mount (probably for Contaflex, but does not fit correctly to the camera in this lot). Also a Contaflex with push-on accessory shoe (shutter firing but blades sticking) with Zeiss stereo attatchment.