6/18/2010 4:05:24 PM
Caption
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Mike working a thin foot switch past the crux on Twinkie (5.10c), Hostess Gully, Castle Rock, Castle Rocks State Park, Idaho
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Model
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Canon PowerShot G9
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Exposure time
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1/500 s
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F-number
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f/4.8
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ISO speed ratings
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ISO 80
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