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Old May 17, 2006, 4:00 AM   #1
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Are there any charts/software out there, or has anybody done any studies on using various shutter speeds and apertures when using different ISO speeds. i.e if you are using 1/250 @ f5.6 with ISO 100, what would be the aperture value if you bumped the ISO upto 800 with the same shutter speed 1/250? I'm after these charts/info as I'm after a new lens.
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Old May 17, 2006, 5:28 AM   #2
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FYI - http://www.fredparker.com/ultexp1.ht...IP%20CHART%20B

... or: http://www.dpreview.com/learn/?/key=exposure
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