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Thread started 21 Feb 2018 (Wednesday) 16:57
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Setting white and black points in Lightroom?

 
amairphoto
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Feb 21, 2018 16:57 |  #1

Is there a way?

In Photoshop I know i can select a curves layer and then choose the black, white and grey areas in the image using a tool from curves. I was just wondering if there was a way to do it in Lightroom prior? I know I can select the image and then press and hold alt whilst sliding the white or black slider but i want be more specific with where I want my black and white point to be.


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Wilt
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Post edited 3 months ago by Wilt. (3 edits in all)
     
Feb 21, 2018 17:08 |  #2

Yup! You can change the curve by direct manipulation, at any point along the curve in the Tone Curve of the Develop module.


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Feb 21, 2018 17:13 |  #3

amairphoto wrote in post #18569256 (external link)
Is there a way?

In Photoshop I know i can select a curves layer and then choose the black, white and grey areas in the image using a tool from curves. I was just wondering if there was a way to do it in Lightroom prior? I know I can select the image and then press and hold alt whilst sliding the white or black slider but i want be more specific with where I want my black and white point to be.

That's the way I do it. You can also watch the histogram and see the points moving. I'm not sure if that is what you are referring to however. If you are looking for a numerical representation I'm not sure that is possible.


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amairphoto
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Feb 21, 2018 17:26 |  #4

Wilt wrote in post #18569267 (external link)
Yup! You can change the curve by direct manipulation, at any point along the curve in the Tone Curve of the Develop module.

But is there a point where I can take for example like an eyedropper and click it on what black point I want in LR?

jcothron wrote in post #18569272 (external link)
That's the way I do it. You can also watch the histogram and see the points moving. I'm not sure if that is what you are referring to however. If you are looking for a numerical representation I'm not sure that is possible.

Yeah that way I have been doing. I want to adjust it a little different you see.


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Feb 21, 2018 17:33 |  #5

amairphoto wrote in post #18569278 (external link)
But is there a point where I can take for example like an eyedropper and click it on what black point I want in LR?

In Tone Curve section of tools, at upper left is a 'switch' which allows you to 'Adjust Tone Curve by dragging in the Photo', which then you sample the photo using the sample point to set that value with scroll wheel.


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amairphoto
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Feb 21, 2018 17:43 |  #6

Wilt wrote in post #18569284 (external link)
In Tone Curve section of tools, at upper left is a 'switch' which allows you to 'Adjust Tone Curve by dragging in the Photo', which then you sample the photo using the sample point to set that value with scroll wheel.

I dont know if that is what I need to be honest.

See here in Photoshop:

The eye dropper tool, the one circled is the black I can click, the grey is in the middle and the white is at the bottom. I just click that and then a place in the picture and that will set the appropriate black level

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Post edited 3 months ago by Wilt. (2 edits in all)
     
Feb 21, 2018 17:48 as a reply to  @ amairphoto's post |  #7

It is so hard to figure out the workflow from your description, with no animation. And manipulation of the Tone Curve is seldom something I find necessary to do, so I am not at all an expert in how it all works. Plus I do not use Photoshop. I just wanted to make you aware of a variety of ways provided for Tone Curve manipulation in LR.

So maybe we need to let someone else comment on the workflow, if they know both LR and Photoshop.


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amairphoto
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Feb 21, 2018 17:51 |  #8

Wilt wrote in post #18569288 (external link)
It is so hard to figure out the workflow from your description, with no animation. And manipulation of the Tone Curve is seldom something I find necessary to do, so I am not at all an expert in how it all works. Plus I do not use Photoshop. I just wanted to make you aware of a variety of ways provided for Tone Curve manipulation in LR.

So maybe we need to let someone else comment on the workflow, if they know both LR and Photoshop.

Totally hear you, its kind of hard to explain too because if you dont do that particular process.


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Feb 21, 2018 17:55 |  #9

I understand what you are doing currently. I think in Lr that can only be accomplished by manipulating the black until the clipping just happens at the spot on the image where you would normally "choose" in Ps


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amairphoto
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Feb 21, 2018 18:25 |  #10

jcothron wrote in post #18569291 (external link)
I understand what you are doing currently. I think in Lr that can only be accomplished by manipulating the black until the clipping just happens at the spot on the image where you would normally "choose" in Ps

Ahhh okay thats what I was thinking, maybe Adobe still want to keep certain aspects separate still.


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Feb 21, 2018 22:30 |  #11

If you're trying to be optimal with full contrast range, I think pressing alt and dragging right before you see any pixels highlighted is optimal. Considering the tonal range, it's actually a very fine tolerance. Is this more for selecting another color to induce some artistic clipping? I do come from a graphics background, so I'm used to using curves in Photoshop. And now I'm used to using sliders and adjustment brushes in Lightroom.


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Feb 23, 2018 05:58 |  #12

The short answer to your question is “no” - Lightroom does not have black and white point eye dropper tools like the curves or levels dialog in photoshop.

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Setting white and black points in Lightroom?
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