Thread: Confused about thread types
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Old 07-01-2020, 11:36 AM
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billdan (Bill)
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Join Date: Mar 2012
Location: Narangba, SE QLD
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I just happened to have PDF user manual of the Skywatcher Espirit 120ED refractor which has a 3 inch focuser.
Looks like you need a M74 x1mm pitch to connect to the focuser.
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