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Maybe the Bintel folks will swap the existing Crayford for a 10:1 Crayford, for a small changeover price? You can ask.
I have the nomal Crayford and was going to replace it with a 10:1 ($119 on Bintel's website. Difference in listed price for the two focusers is $20). But I then got a second-hand electric motor focuser and fitted that instead (need some skills to do that - it wasn't a straight drop-in fit for the electric motor and the focuser) and it's a much better result since you keep your hands of the scope which is a benefit at higher magnifications.
If you have handyperson/engineering skills, this option could be worth considering - but, if they will do it, a Bintel swapover option should cost less for a different, but also good result.
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