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Old 15-09-2007, 05:35 PM
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[1ponders] (Paul)
Retired, damn no pension

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Join Date: Nov 2004
Location: Obi Obi, Qld
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Yep that will work, but you will increase your f ratio from 5 to 10 which will increase your exposure time by a factor of 4 for any given object.
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