Thread: Primary focal length measurements
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Old 20-06-2020, 10:58 AM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Peter,
Ok
I think the focuser will be much more than 5mm.
Measure the total height of the focuser mechanism from the tube to the end.
This is probably about 100 to 110mm
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