Gray cards : the 12% - 18% controversy

Started Apr 13, 2013 | Questions thread
Roland Karlsson
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Re: The grey card is a reference for print making
In reply to Roland Karlsson, Apr 17, 2013

Roland Karlsson wrote:

I insist - the Sigma SD10 (being RAW only) do neither output 117 nor 127.5 for 18% grey.

[editing is broken right now]

For 8 bit gamma 2.2 coded images it will output whatever SPP will output depending on settings.

Maybe you could de4fine it as everything being neutral. But as far as I understand, that's hardly common to do for Sigma images.

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Canon PowerShot G10 Pentax K-5 Pentax smc DA 15mm F4 ED AL Limited Pentax smc FA 50mm F1.4 Pentax smc DA 21mm F3.2 AL Limited +6 more
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