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Mar 1, 2018 at 9:33 history edited Michael C CC BY-SA 3.0
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Mar 1, 2018 at 9:30 comment added Michael C In photography everything from pure black to pure white is just a shade of gray. It is a tonal value without any hue. If one uses a white target, one must underexpose so that the resulting image records it as gray in order for it to be useful as a calibration tool. If any of the channels are fully saturated in the calibration shot the results will not be valid.
Mar 1, 2018 at 5:34 comment added OnBreak. Would you say that a white neutral grey target is more white or grey? Schrodinger's grey card?
Jun 22, 2017 at 6:20 history edited Michael C CC BY-SA 3.0
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Feb 25, 2017 at 0:24 history edited Michael C CC BY-SA 3.0
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Feb 25, 2017 at 0:17 comment added Michael C Added 100% crop to answer.
Feb 25, 2017 at 0:16 history edited Michael C CC BY-SA 3.0
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Feb 24, 2017 at 22:33 history answered Michael C CC BY-SA 3.0