This Nishika N8000 35mm 3D Camera was produced & sold beginning in 1989 & on into the 1990s. There is a video tutorial featuring Vincent Price that came with some of the early models – link here to see the video on youtube ~~~>>> http://www.youtube.com/watch?v=Kx1f5Y0hB5I
More detailed info. about the camera & its limitations compared to its predecessor the Nimslo can be seen here ~~~>>> http://www.3dham.com/stereo_cameras/nishika.html