Thread: Help with Meade 0.63 focal reducer for visual use.
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Old 08-02-2013, 08:31 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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It's normal to take the measure from the bottom of the male thread..this is close to the optical centre... well close enough for the settings we're talking about.
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