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Old 01-02-2005, 12:08 PM
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rmcpb (Rob)
Compulsive Tinkerer

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Join Date: Jan 2005
Location: Blue Mountains, NSW
Posts: 1,766
It would be interesting, if you have some film left over, to make another mask with an offset 3" apeture and test them side by side to get a real answer. Hint, hint.
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