Canon Auto Zoom 2018 Electronic
no marketed
silent super 8 cartridge
lens: f: 1.8 \ F: 7-140
zooming ratio: 20x
made in Japan by Canon
In 1970, a prototype of the Canon Auto Zoom 2018 was exhibited at the Photokina, Cologne (Germany). But this sensational apparatus with 20x zoom lens was not commercially viable, because the production costs proved exorbitant.
Picture from The Complete Catalog of Movie Cameras of Jürgen Lossau, 2003 (1st Edition), Atoll Medien, Hamburg, Germany.