Gray cards : the 12% - 18% controversy

Started Apr 13, 2013 | Questions thread
cquarksnow
Regular MemberPosts: 368Gear list
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Re: Gray cards : the 12% - 18% controversy
In reply to xpatUSA, Apr 14, 2013

So, assuming the 'Merrill-based camera' to be compliant with the ISO standard, the answer to the actual question is . . .12.8%.

Having said all that, what's half a stop between friends?

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Regards,
Ted http://kronometric.org
SD9, SD10, EF-500, GH1.

Thanks to all ; this is very enlightening, and the only portion that is not confirmed is the ISO compliance of the Merrill-based cameras.

Chris

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Sigma DP1 Merrill
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