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Re: The X-Factor of Fudging ISO
In reply to bigpigbig,
4 months ago
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bigpigbig wrote:
18% gray is 18% gray. Period. For a given shutter speed, aperture and ISO ALL cameras should render the same tone.
It is not the case for digital cameras as 18% gray is only one of five viable techniques (the Standard Output Sensitivity (SOS) technique) to do so. You may like it or not but it is the "gain" in digital cameras.
ISO standard defines it as "Exposure Index rating" (effectively - gain) which is only commonly (mis-) named "iso".
Regards
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