Repair/tuning of an SW focuser
I have attached a picture of the focuser on my Esprit 120ED. It seems to have extreme slippage, if it's not locked and you attach an eyepiece it will thunk down to full extension and you have to wind it back up.
With a lightweight camera it won't even wind up at all unless you support it with one hand.
I saw an article on how to tune the focuser that comes with a BD 120ED but it looks different and had Allen keys. Does anyone know how the adjustment works on one of these?
Thanks
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