An overview of the Franka Solida III, made by Franka Werke in the 1960's.
Blog entry with sample photos here:
http://photographeronbudget.blogspot.co.uk/2015/09/franka-solida-iii-overview.html
Video was shot with an XR Rikenon 50mm f2 S on a Canon EOS-M. The light leaks on the edges were probably because the lens was unclicked from its place. Lucky it did not fall off.