20 Gigapixel image of Paris

I thought perhaps some here would be interested in seeing the panoramic head designed by a European photographer. This link will have a video available to show the hardware to be used for the large image of Paris.

http://www.autopano.net/blog/2008/10/10 ... omment-375

Personally, it would appear to me that the design would be better if the point of rotation were placed on the nodal point of the lenses.