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Old 30-09-2009, 01:20 PM
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Grahame (Grahame)
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Join Date: Jul 2006
Location: Perth, WA
Posts: 356
Peter: I've arranged to return this scope in lew of the F8/F9 issue anyway so we'll see how the next one goes and collimate it on arrival. Thanks for the 10/20% tip too. worked a treat.

Stuart: Isnt the only way to tell the F/ratio of these by imaging and comparing the FOV? This is only due the the lack of GSO markings on the tube (would a sticker hurt it?)

Grahame.
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