45 x 107 format 6 x 13 format Art Nouveau Awuco-Betrachter Bing Werke Busch, Emil Carl Zeiss Jena Chromoplast Doppelverant Fitaskop 1 Fitaskop 2 Heidoplast Hildenbrand, Hans Imperial Indupor Indupor Taschen-Stereoskop Internationale Camera AG Isostereo Juwel Kalloscop Kolibri Listograph Mignon-Stéréo Multiplast