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Old 06-01-2018, 12:00 AM
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Merlin66 (Ken)
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Merlin66 is offline
 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,904
Christopher,
Hmmm, not sure.
The first thing I'd try would be to add a 50mm spacer at the end of the ST-80 OTA, this should bring you close to focus.
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