Novel way to put a 1950s 21mm Biogon on a LTM camera perhaps?

[xayraa33]

not connected to seller, but this Zeiss 21mm Biogon looks like it was adapted to fit an LTM camera.
It does not seem to be rf coupled, but it is a 21mm after all , so scale focus is plenty accurate.

http://cgi.ebay.com/Carl-Ziess-21mm-4-5-Biogon-Lens_W0QQitemZ330177194878QQihZ014QQcategoryZ30063 QQssPageNameZWDVWQQrdZ1QQcmdZViewItem