Thread: Helical focuser
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Old 23-04-2018, 04:55 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Just noticed ZWO have one similar to the Baader for us$ 25, but it has male T threads on either side....
https://astronomy-imaging-camera.com...2-1-25-holder/
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