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Re: Can anyone recommend a focus motor?


 

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Starlight Instruments makes the HSM20 moto-focus unit that¡¯ll fit your FeatherTouch. You might get one direct from them or perhaps Woodland Hills or High Point Scientific might have one in stock¡­

Best,
Gordon

Distressed electrons pushed out by my iPhone

On Mar 12, 2025, at 6:09?AM, Mike Greenhill-Hooper via groups.io <sally.greenhill@...> wrote:

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Hi, I have a 20" f/4 classic Obsession with Starlight Feather Touch focuser (with curved base), built in 2020.? The focuser seems to have quite a low profile.? I was hoping to buy the Rigel Systems nFocus motor as I already have the corresponding nFocus controller that I use with another focus motor / focuser combination.? However, I am worried that the gear wheel on the motor has a diameter that is too great and will not fit on the focuser shaft without touching the base of the focuser.
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Does anyone have a suggestion for a make that will fit and work for my telescope, please?? I am happy to have a hand controller and do not necessarily need to connect to and be controlled by my laptop.
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Cheers,
Mike G-H
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