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<blockquote data-quote="WayneF" data-source="post: 297265" data-attributes="member: 12496"><p>Regarding clipping caused by White Balance variations.... </p><p></p><p>It should be said that for Raw images (which are incomplete unprocessed images), the camera RGB histogram is showing the histogram of a small JPG image embedded in the Raw file. This JPG image has the current camera settings performed on it, White Balance and Contrast and Vivid and whatever else (stuff that shifts tones in the histogram). The Raw file does not, it is still Raw. The settings you apply later may or may not match the camera settings on the JPG. I fear much of the time, we are not even aware of what settings are in the camera. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>However, probably they are fairly close, since this same JPG image is also what shows on the camera rear LCD (Raw files cannot be viewed on RGB devices). Since we want to see correct color there, we probably at least use Auto WB with Raw, which of course is not necessarily correct, but probably is halfway close to the ballpark of our final settings later.</p><p></p><p>Just saying, since Raw is not complete yet, there can still be small variations in our final version. White Balance shifts can cause clipping. Hopefully, this small JPG (which was also Raw at one point) has already done about the same thing. </p><p></p><p>But also, times have changed. For Raw, when we are shooting ISO 100, and the camera does pretty well at ISO 3200, IMO, there is really no harm in backing exposure off a small safe amount in problem situations like this, and pushing exposure later in Raw (speaking of small degree at low ISO).</p></blockquote><p></p>
[QUOTE="WayneF, post: 297265, member: 12496"] Regarding clipping caused by White Balance variations.... It should be said that for Raw images (which are incomplete unprocessed images), the camera RGB histogram is showing the histogram of a small JPG image embedded in the Raw file. This JPG image has the current camera settings performed on it, White Balance and Contrast and Vivid and whatever else (stuff that shifts tones in the histogram). The Raw file does not, it is still Raw. The settings you apply later may or may not match the camera settings on the JPG. I fear much of the time, we are not even aware of what settings are in the camera. :) However, probably they are fairly close, since this same JPG image is also what shows on the camera rear LCD (Raw files cannot be viewed on RGB devices). Since we want to see correct color there, we probably at least use Auto WB with Raw, which of course is not necessarily correct, but probably is halfway close to the ballpark of our final settings later. Just saying, since Raw is not complete yet, there can still be small variations in our final version. White Balance shifts can cause clipping. Hopefully, this small JPG (which was also Raw at one point) has already done about the same thing. But also, times have changed. For Raw, when we are shooting ISO 100, and the camera does pretty well at ISO 3200, IMO, there is really no harm in backing exposure off a small safe amount in problem situations like this, and pushing exposure later in Raw (speaking of small degree at low ISO). [/QUOTE]
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