T adapters and rings for Hyperion eyepieces and Nikon DSLR

I bought some astrophotography accessories for my telescope CELESTRON 8 "Newtonian (C8-N). You are invited on Newtonian C8N new group created in the Yahoo Groups.You can see it in the top right of the page.
      These three accessories are purchased from Cluj,Romania, sent in the package to Baia Mare, and has cost them 234 RON.It's for afocal use, for connecting between Hyperion 10mm eyepiece and Nikon D80 DSLR. In their order will be screwed: the Hyperion-T-2 M43 adapter, on it T-2 Extension tube 7.5 mm, screwed on it, T-2 Extension tube 40mm ,Nikon T ring , and Nikon D80 camera.