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Thread started 17 Aug 2014 (Sunday) 09:28
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Using your camera's histogram

 
hiketheplanet
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Aug 17, 2014 09:28 |  #1

I check my histogram for any clipped highlights, or shadows, but what else can you tell by looking at the histogram? I'm assuming you can infer dynamic range from it too? If you find that DR is low, how/what can you adjust to push DR? What other things do you use your histogram to tell you, and what do you do to adjust?




  
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davesrose
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Aug 17, 2014 09:38 |  #2

The histogram can show if you're having clipping in your blacks or whites. It also shows your overall contrast range. If you see that it just has a hill of values towards the left side, you then know you have more leeway to to expose further to the right. You may want to do that if the hill is all the way to the left: where noise resides.


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ozzmodan
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Aug 17, 2014 09:44 |  #3

In practice I usually only use it to verify I'm not clipping on the shadow end. The highlight tone priority tells me what is clipping for highlights.

You could use it to determine if it is a tonally flat image, but simply looking at the image would give you the same info.


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hiketheplanet
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Aug 17, 2014 10:02 |  #4

ozzmodan wrote in post #17101280 (external link)
In practice I usually only use it to verify I'm not clipping on the shadow end. The highlight tone priority tells me what is clipping for highlights.

You could use it to determine if it is a tonally flat image, but simply looking at the image would give you the same info.

Tonally flat means what? Lacking in contrast? Saturation? How does the histogram tell you that? A very low/flat graph?




  
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hiketheplanet
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Aug 17, 2014 10:03 as a reply to  @ hiketheplanet's post |  #5

Thanks BTW for the replies!




  
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Azathoth
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Aug 17, 2014 10:21 |  #6

hiketheplanet wrote in post #17101256 (external link)
I check my histogram for any clipped highlights, or shadows, but what else can you tell by looking at the histogram? I'm assuming you can infer dynamic range from it too? If you find that DR is low, how/what can you adjust to push DR? What other things do you use your histogram to tell you, and what do you do to adjust?

http://www.cambridgein​colour.com/tutorials/h​istograms1.htm (external link)
http://www.cambridgein​colour.com/tutorials/h​istograms2.htm (external link)


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Using your camera's histogram
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