Sale pending on the Hyperion Eyepiece
Still available: UHC-S 2" filter (a must for ED80's!)
New Baader addition
(I forgot I had bought it too):
Hyperion DT Ring (SP54/M52) part number #2958052. Connects your Hyperion eyepiece to a 52mm thread - a common Filter thread size I am told. $25 posted in Aus (effectively Half price if my memory serves me right).