Gray cards : the 12% - 18% controversy

Started Apr 13, 2013 | Questions thread
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cquarksnow
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Gray cards : the 12% - 18% controversy
Apr 13, 2013

http://dpanswers.com/content/tech_kfactor.php

Given spot-metering with a Merrill based camera, what percentage would seem appropriate for a gray card ?

Thanks,

Chris

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