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Old 03-04-2018, 11:54 AM
glend (Glen)
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glend is offline
 
Join Date: Jun 2013
Location: Lake Macquarie
Posts: 7,121
The rings that came with my 80mm guidescope are 125mm ID, and the clamps are for the 3" wide Losmandy/ CGE style bars. Celestron product number for the ring and clamp kit is: #93786.
Good luck.
Maybe smaller rings would work, you can measure your scope at the big end to size the rings you need.

If you want to use proper tube clamp type rings ( without the screws) then again you can measure your tube. You can always pad thise rings with felt if they are alittle too big.
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