Thread: OAG Focus help
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  #10  
Old 17-09-2018, 10:22 AM
beren
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Join Date: Oct 2004
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Using the Moon at a late phase I found makes dialing in a OAG focus easier. Get the main camera in focus centred on the lunar surface,then manuiplating exposure times on the guide camera watch the screen and you”ll see variations in brightness and then add spacers/OAG focus until you can see a clear image
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