Quote:
Originally Posted by mithrandir
http://www.telescopeadapters.com/ have a one-piece T-ring and 2" tube for Canon. 2" UltraWide Prime Focus Telescope Adapter They don't vignette like the ring and tube ones do. I have them for my Sony cameras and find the no-undercut version works better on my scopes.
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Thanks. That's the website I had in the back of my mind but couldn't find it and then found the Blue Fireball site which has a similar one piece T-adapter.