Thanks Marc that's good info.
I was thinking just an 8", I don't think the EQ6 is up for anything bigger than that.
Definitely still at the day-dreaming stage at the moment but I've got the SBIG backfocus table saved somewhere so I'll get exact distances if I get serious.
Is reinforcing the focuser area on the tube something that people do often or is it nessesary to buy an OTA with the focuser reinforced already?
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