Thank Waxing_Gibbous and blink138 for the comments. But Mak's have a lens in the front of the tube, which may help support the tube, I guess?
RC8 is open like newtonians. Would that make the situation worse? Do you have experience of mounting heavy scopes on top of newtonians?
Quote:
Originally Posted by Waxing_Gibbous
Been a while since I did any imaging but I had, among other stuff, an 80mm SV triplet - quite heavy for its size -as a guide scope riding atop my Mak. I experienced no deformation despite the tube being thinner than most other compound 'scopes(weight saving apparently).
From memory - examining one in the shop - I would think you could mount almost anything up to about 7kg atop the GSO, without experiencing any ill effects.
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