Steve Goldstein wrote:
Does anybody sell these in the US? I've found Series VII to 52mm in the
past
(nice for that 100mm or 135mm WF Ektar), but no Series VI.

You might try a Series VI-VII ring and then the VII-52mm ring.

--
Nicholas O. Lindan, Cleveland, Ohio
Darkroom Automation: F-Stop Timers, Enlarging Meters
http://www.nolindan.com/da/index.htm
n o lindan at ix dot netcom dot com