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I have yet to take a pic with my GSO CF newt, which I bought about 3 years ago from another IIS member, but ready now as soon as the clouds clear. I haven't read much about the GSO truss Newt, they don't seem to be that common. Jeff Lucas on Youtube has a few good videos on it, and based on his video, I rotated the front secondary section 90 degrees so that the imaging train hung vertical rather than at 90 degrees as per a normal optical newt. Simple and recommended to do.
The focuser is attached to a very solid aluminium block, and does not attach to the front tube metal as on most newts. It seems very rigid. I suspect any flex would be in the imaging train components.
I fitted a Moonlight, and as soon as the clouds allow, will try some test pics and post them here.
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