Thread: Perfect focus each time using a Bahtinov Mask
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Old 24-09-2008, 12:15 PM
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Garyh
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Join Date: Jun 2006
Location: Glen Innes, N.S.W.
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Thanks Trevor and Dennis, I downloaded the 12" GSO that Houghy uploaded (thanks Houghy) and shall rescale it to suit the 8" scope...
cheers
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