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General Photography
Balancing Exposure and Processing
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<blockquote data-quote="J-see" data-source="post: 407023" data-attributes="member: 31330"><p>My histogram is not an accurate representation of my data. It's very easy to see that. If you open a correctly exposed shot in post and overexpose or underexpose it by some stops, the histogram moves to the left or right but that does not imply you lose data. It's just about data that is shown or not shown at this moment.</p><p></p><p>What you see in my original shot is the exact same. The data is there but when I load the shot, it displays according the settings of the image I see. Once I start adjusting the black and white point and correct exposure, my histogram normalizes to what we are used to. I don't affect any level while high ISO affects them very much.</p><p></p><p>My photon shot noise is indeed there no matter what I do. But I am in control over exactly what I increase while ISO does so indiscriminately in the whole shot.</p><p></p><p>Here's one of my night shots. The SOOC, processed version and one overexposed. I added the histograms.</p><p></p><p>[ATTACH]135131[/ATTACH]</p><p></p><p>[ATTACH]135132[/ATTACH]</p><p></p><p>[ATTACH]135133[/ATTACH]</p><p></p><p>All three contain the exact same RAW data in the file. It's just differently displayed and that's what the histogram is about. It's relative to the values of how the shot is displayed on your screen. That's why the histogram of the original shot I show here is not necessarily a good or accurate indication of the data it contains.</p></blockquote><p></p>
[QUOTE="J-see, post: 407023, member: 31330"] My histogram is not an accurate representation of my data. It's very easy to see that. If you open a correctly exposed shot in post and overexpose or underexpose it by some stops, the histogram moves to the left or right but that does not imply you lose data. It's just about data that is shown or not shown at this moment. What you see in my original shot is the exact same. The data is there but when I load the shot, it displays according the settings of the image I see. Once I start adjusting the black and white point and correct exposure, my histogram normalizes to what we are used to. I don't affect any level while high ISO affects them very much. My photon shot noise is indeed there no matter what I do. But I am in control over exactly what I increase while ISO does so indiscriminately in the whole shot. Here's one of my night shots. The SOOC, processed version and one overexposed. I added the histograms. [ATTACH=CONFIG]135131._xfImport[/ATTACH] [ATTACH=CONFIG]135132._xfImport[/ATTACH] [ATTACH=CONFIG]135133._xfImport[/ATTACH] All three contain the exact same RAW data in the file. It's just differently displayed and that's what the histogram is about. It's relative to the values of how the shot is displayed on your screen. That's why the histogram of the original shot I show here is not necessarily a good or accurate indication of the data it contains. [/QUOTE]
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Balancing Exposure and Processing
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