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Old 07-10-2010, 09:29 PM
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ballaratdragons (Ken)
The 'DRAGON MAN'

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Join Date: Jan 2005
Location: In the Dark at Snake Valley, Victoria
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Quote:
Originally Posted by mithrandir View Post
That would be true if the tube was pointed at the sun. If the light is coming in through the side of the truss it won't reflect onto the secondary.
Oh yeah . . . do'oh

Thanks Andrew, pretty obvious really
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