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Old 19-07-2011, 04:14 PM
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DavidU (Dave)
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Join Date: Jul 2007
Location: melbourne
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On bright objects at 900-1200mm + focal lengths I found that mirror lockup exposures gave me a much crisper image with my 30D.
I am no expert though.
http://photo.net/photo/nature/mlu5.jpg
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