production of cameras like Nishika N8000, but during the 1990's , other brands like Kalimar 3D Stereo (35mm) or ImageTech 3D Wizard (35mm) were also very popular having just 3 shutters; losing a little bit of the field depth’s movement. Nevertheless, video editors' improvements have given another life to the images taken by these types of cameras: creating GIFs, moving images. The digitized positives are animated to appear one after the other creating a simulation of a background movement. Notes External links Audiovisual introductions in 1867 Photographic techniques