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Old 27-10-2007, 09:18 AM
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[1ponders] (Paul)
Retired, damn no pension

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Join Date: Nov 2004
Location: Obi Obi, Qld
Posts: 18,778
Definately just do a drift measurement. It is much easier, though if you need to work out your FOV then there are plenty of free ones around. In fact I think someone or two have posted a couple on the site here.
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