 5 years later, in the autumn of 2005, for approximately 480,000 euros, the opto-mechanical projector Zeiss is replaced by a digital type installation and the City of Nantes has offered its former planetary Zeiss at the National University of Córdoba (Argentina ).At that time, there were only 3 planetariums in France using Evans & Sutherland's Digistar II fisheye (Vaulx-en-Velin, Pleumeur-Bodou and Toulouse), and Saint-Étienne experimenting with multi-video projectors.Nantes is the first planetarium in the world, to install five video projectors (to cover the entire vault) DLP type in a medium dome.