Thread: Small APO on top of GSO RC8, tube deformation?
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Old 10-02-2015, 12:58 AM
lowsfer
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lowsfer is offline 		 
Join Date: Dec 2014
Location: Kingsford, NSW
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Small APO on top of GSO RC8, tube deformation?
My first thread here

I plan to get a SharpStar 65Q and a GSO RC8+CCDT67.

I want to bind them together, so this single setup covers three focal lengths: 420mm, 1072mm and 1600mm. When one scope is used for photography, the other one is used for guiding.

But I'm concerned about the 2.65kg weight of 65Q. If it's mounted on top of RC8, will that weight deform the tube of RC8?

Any experience?

If it does, are there any other lighter small APOs at <$500 margin? I would like a 300-500mm focal length.
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