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[QUOTE
Personally I wouldn’t go any bigger than an 8” f5 Newt on the EQ6-R unless it’s on a pier or in a Dome on a pier.
Good luck with your set up[/QUOTE]
Absolutely! I find anything bigger than an 8" Newt a bit of a wrestle nowadays.
A quick pic of a 12" Dobber in a GEM with original built ring/adaptor proprietary rings, and proprietary GSO rings. (The purpose built adaptor was nearly a 2 man lift on its own!)
The balance point of the dob bearings, (if a GSO) are fairly close as can be seen with the proprietary rings (for visual), but may not give enough leeway as Martin says if loading up the focuser for AP work. We used studio sandbags on the rear of the tube to balance "the beast" dependant on the EP used.
Definitely suggest the purpose built newt as they quite often come with rings and dovetail. The added cost to adapt a Dob can be close to the cost of another new OTA.
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