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Been doing that. I make do with what I've got. And if I shrink them down to a small size I can almost get away with it... But it sounds like my present gearbox is about worn out. And I want to do filtered deep sky with an unmodded DSLR. I need 3 minute subs at F5 which is what these shots are. The drive inaccuracies though make the system so difficult to manage. After an hour of this, I'm stuffed!
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