I have a nearly unused STL to Tak 72mm male thread adapter. It screws into the face of the STL camera replacing the nosepiece and then screws into your Tak 72mm female threaded fitting on your Tak scope.
AUD$150 + $10 shipping. New these are around US$140 + $15 shipping = approx. AUD$250
http://www.pbase.com/gregbradley/image/108972195
Greg.