Just clearing out some parts I dont need anymore.
These are heavy duty set of rings that I puchased for my ED80 direct from the states at $125USD plus shipping and conversion cost approx $200AUD minimum.
Yours for $150 and that includes shipping to anywhere in Australia.
http://www.optcorp.com/product.aspx?...x%20rings&st=2
4" outside diameter split tube rings for the Tele Vue Genesis, Genesis SDF, TV-101, TV-102, and NP-101, and the Orion ED80. Made of die-cast aluminum, finished in Matt black paint, and lined with felt.
A photo of how the rings were used in my travell set up.