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After doing my research for rings, plate, and guidescope rings to set up for guided prime focus AP, I read the post a few days ago by Alan and was wondering if I would be better off using an OAG instead of a guidescope? I have a little SV78S Achromat that weighs 7.5 lbs., riding on a GM-8. I already have a little 60mm scope for the guidescope, which doesn't weigh very much. I estimated that the monster rings for the SV, DUP plate, and guidescope rings would add about 7-8 lbs. I don't think this is too much for the GM-8, but is the guidescope set-up better for prime focus or is the OAG better? I will be guiding manually. To put both set-ups together is about the same price ($300.00), so the cost is not a factor. Thanks for any insight or advice anyone can give me on this.
Gary
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