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Old 25-07-2021, 09:03 PM
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rogerg (Roger)
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Join Date: Feb 2006
Location: Perth, Western Australia
Posts: 4,563
RASA focuser thread

Hi all,

Does anyone know the size and pitch of the thread on the Celestron RASA focuser threaded rod?

The thread I mean is the threaded rod that is attached to the mirror cell. If you swap focusers (eg to install the motor focuser) you see the threaded rod.

I have one that has some damage to that thread so I am looking to find tools or nuts to suit, to clean up the thread.

Thanks,
Roger.
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