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Ahh right. That explains the descriptions talking about the secondary size. Thanks for the explanation.
I’m back looking at the 8” f5 again. I should be able to keep weight around 10.5kg if all the manufacturer specs are right. I know the concern is image stability with any movement, but my scope will basically be ina static position and I can possibly build a shelter. An 8” ends up same price as the 6” with an focuser upgrade.
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