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Greg,
You're right about there being an off axis component. I think it is the focuser. I'll play around with it for a while and then build a decent Crayford focuser and re-align the whole thing. ( I had to offset thIs focuser's tube as the bearings were not exactly parallel to the axis)
Thanks.
Last edited by scopemankit; 10-02-2011 at 08:36 PM.
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