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I am not sure. In the Tak scope I can see the mirror clips on the side of the primary. And; the secondary baffle does not appear to be causing a huge obstruction in the Tak scope. Mathematically the secondary is 5mm further away in this scope too. So if anything it should present less of an obstruction really??
On another topic; star shapes in the top left of the full image are not right too. There appears to be some tilt with elongated stars and the appearance of coma (yes I know RC's don't have coma, but do have field curvature). Star shapes else where seem consistent with this design of scope. So I might have a tilt problem or some other issue going on. I will do some more testing over the coming nights to see what results I get.
Now that the scope is collimated I have done a pointing run on the scope. I did a Tpoint model of 252 points and ended up with the results in the image attached. Near perfect pointing. I did several test shots after that and each time the selected object was dead centre of the cross hairs or just vaguely off.
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