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That's truly impressive Jo.
Amazing worksmanship. What mount will you be using it on.
I'd suggest a slim OAG rather than a guidescope. saves so much hassle with having a separate guide scope and differential flexure and is not expensive either. but then you do need a sensitive guidecam.
check out the Long perng focuser from andrews. its low profile and is pretty good.
the lower the profile of the focuser, the better it is for imaging as you then get sufficient back focus, you can keep the secondary small, and less vingetting although with an F6, that shouldn't be as much an issue as with an F4.
Have you thought of re-inforcing the focuser area? I know the wood would be strong enough but its a thought.
Cheers
Alistair
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