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Kept Light Photography

Photography and Writing by A. Cemal Ekin

Lightroom: Adjustment Brush

January 10, 2015 by Cemal Ekin

Lightroom Adjustment Brush

A well thought out workflow is essential in digital photography editing. There are many tools in software and we need to learn where to start, what tool to use, and in what sequence. In general, whether in Photoshop or in Lightroom the workflow goes from global to local. Fix the issues that impact most of the image and the smaller issues may disappear anyway. However, after all is said and done we may need well controlled local adjustments to materialize our vision. In this tutorial I will explore the Lightroom Adjustment Brush to push the background exposure down and bring the person more forward. Meet my uncle Sureyya who will help me in this tutorial!

In the opening image above, the original photograph is on the left. As you see, no amount of global adjustment would tone down the bright opening on the back and bring him forward. So, the carefully painted (masked) image in the middle shows the area that would be affected by the adjustment brush. After adjusting the global and brush sliders, I can end up with a result on the right.

Find Adjustment Brush Here

Find Adjustment Brush Here

The adjustment brush is on the tool panel tucked between the histogram and the Basic adjustments panel. You will recognize it by its long handle and funky looking brush head.

Adjustment Brush Panel Collapsed

Adjustment Brush Panel Collapsed

When the adjustment brush panel is opened it may or not fully expand. If it is not fully expanded you will see a cryptic panel with no adjustments visible like the image on the right. If that is the case, simply click on the “disclosure triangles” highlighted by the red circles to expand the panel in full. Then you will see the set of adjustment sliders as well as brush adjustments section.

Brush Attributes

The first thing we need to get comfortable with is controlling the brush attributes to make the selection mask; the rest will be a visual affair to apply the desired effect in the “Effect” block of the panel. If you look at the fully expanded adjustment brush panel you will see that you can set three brush types, A, B, and Erase. Each can have different attributes depending on your work habits. Here are the functions of each attribute slider:

Size: Well, how big a brush do you want? This slider controls the diameter of the brush covering larger sections with each stroke or click.

Feather Levels

Feather Levels

Feather: Adjusts the softness of the outer edge of the brush and it varies from 0 to 100 percent. It controls how the edge fades from full stroke to a set value. Keep in mind that as you paint over the feathered areas the mask will get more and more solid with each additional stroke.

Flow: This slider controls how much mask to paint. If the flow is set to 40 percent, the first stroke will apply a 40% mask and each additional stroke will keep building it up to a maximum of 100%. I find it easier to paint at 100% flow and erase at lower levels for better control.

Auto Mask: When this box is checked Lightroom will try to do its level best to include only the areas that are similar to the tone and color of the center cross-hair. Just make sure you do not drag the cross hair to unwanted areas in the mask.

Density: This slider will prevent the masked density from building above a particular level, say 75%, no matter how many brush strokes we may apply to an area. Its main purpose seems to be to retain a level of transparency of the adjustments independent of the amounts. Although you may think you can achieve similar results by controlling the adjustment slider, say exposure, this slider can be changed from stroke to stroke where the adjustments are per adjustment pin. An undocumented feature of the density attribute is that it can be selectively applied at lower density levels over areas that were previously painted at 100% density. This will lower all the adjustments in the brushed area to the new density level, say 75%. As strange as it may sound, it is easier to lower the density after applying it at 100%, same thing goes for the erase brush.

Workflow

In this particular session what needs to be done is fairly straight forward:

  1. Mask the figure, or the background depending on the image and expected adjustments
  2. Adjust the overall exposure to control the background
  3. Adjust the brush effects to control the exposure on the figure
  4. Tweak if necessary

Mask The Figure

The critical parts of any masking, whether in Lightroom or in Photoshop, are the edges. I have decided to mask the figure rather than the background.

  1. Since masking relies on edge detection, I have made some crude initial adjustments to make selection easier; I increased the exposure and contrast, pulled down the highlights and whites. I have also changed the mask color to green to make it easier to see against his skin. Here are my settings for the brush for getting the edges cleanly: Size = 15, Feather = 80, Flow = 100, Density = 100. Starting on the back of his shirt, I painted upwards towards the back of his neck and head which went mostly cleanly. There are a few stray areas but I will clean them out later. (Figure 1 and Figure 2)
  2. When I came to the top of his head to include more of his hair, I increased the brush size (which may be counter intuitive) to keep the cross-hair well inside his hairline but the brush reaching into the hair strands and clicked once or twice. It cleanly included the hair on top of his head. (Figure 3 and Figure 4)
  3. When I arrived at his left eye and clicked on it, it included a good amount of the background since they are the same tone. Pressing Ctrl-Z, I voided that stroke and went around the eye leaving it unselected. (Figure 5)
  4. Having selected the edges mostly cleanly I noticed several areas where the mask spilled into the background. Now is the time to switch to the Erase brush, click on Erase and remove the spill overs. For this, I used a brush size of 7 and feather of 70. I lowered the flow to 60% to erase at a slower rate. Then I went all around the figure and removed the spill overs. (Figure 5)
  5. The final step in the masking was to pick up the brush B set at a smaller size and with auto mask turned off and go over the inside the figure, including the left eye I had left untouched. The finished mask is the final figure, I removed the temporary basic adjustments to make the mask stand out. (Figure 6)
Ready to start masking
Ready to start
Starting with the easy parts
Starting with the easy parts
Hair strands at the top
Hair strands at the top
Picked up hair at the top
Picked up hair at the top
Around the face, skip the eye
Around the face, skip the eye
Paint inside and finish
Paint inside and finish
After all adjustments
After all adjustments

All the adjustments

All the adjustments

Apply Desired Adjustments

Now I can adjust the background, which will impact the figure as well. Then go to the adjustment brush and make the adjustments I want on the figure until I have the result I want. Here are the steps to arrive at the final result shown in the final photograph.

  1. Reduce overall Exposure = -1.25, Highlights = -25, Shadows = -40, White = -80. These would significantly tone down the image overall
  2. Lower clarity to -60 to reduce presence, and lower saturation to -30 to go along with that. Now the overall image looks quite dark and dull
  3. Click on the adjustment brush, and then click on the adjustment brush pin to activate that set. Then set Exposure = 2.75, Contrast = 45, Highlights = 50, Shadows = 25, Saturation 100, Sharpness = 10. These would provide a nice balanced exposure for the figure yet separate it from the background
  4. I also decided to click on the Color patch and pick a warm hue to simulate the afternoon sun coming from the window Hue = 25, Saturation 15.

The final photograph shows the finished work. It is important to have a vision for the finished work, even though its finer points may emerge later on. The tedious part of the masking may discourage some users from getting into using this tool to its full advantage. However, once the basic functionality of the brush is clearly understood its application will become easier with each use.

As useful as the adjustment brush tool may be in Lightroom, for some photographs requiring a better finessed masking of more complex selections a visit to Photoshop may be necessary. The masking and selection tools available in Photoshop are far more capable of handling even finer detail than in the photograph I used in this example.

Also keep in mind that like in most tutorials, I am trying to transfer some knowledge and have selected an image that lends itself for me to show the subtle points. Not all photographs are this easy to mask with the adjustment brush. But then, I am not trying to give you a fish, I am trying to show you how to fish.

Try it, you will see it is simpler to do than to explain!

Filed Under: Featured Post, Lightroom Tagged With: Lightroom

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Comments

  1. Binnaz Melin says

    January 11, 2015 at 4:46 am

    Ayrıntıların tümünü anlayıp içselleştiremem Cemal Hoca. Ancak dayımız Süreyya Avcıoğlu’nu ekranda görünce çok duygulandığımı dile getirmeden edemeyeceğim. Eser’i arayıp, sitene girmesini ve fotoğrafları yakınlarımıza iletmesini söyleceğim. Uzmanlık alanında, özel hayatınla ilgili birikimini kullanmaktaki ustalığın, duyarlılığın gerçekten çok etkileyici. Hayatta böylesi bir bilgeliğe ulaşmaktan ne istenebilir? Seninle öğünüyor, varlığından güç alıyorum. Sevgiler.

    • A. Cemal Ekin says

      January 11, 2015 at 9:18 am

      Evet, konuya uygun bir fotograf ararken dayimin bu fotografi tam geldi. Oncesi-sonrasi goruntuler ne yapildigini istedigim gibi gosterdi. Belki tum aile de girebilir boyle bir yaziya. Dusunelim … Selam ve sevgiler,

      Cemal

  2. Tom Backman says

    January 11, 2015 at 11:40 am

    HI CEMAL,
    THANKS FOR A VERY CLEAR TUTORIAL.

    • A. Cemal Ekin says

      January 11, 2015 at 2:55 pm

      You are welcome Tom. Let me know how it works for you.

      Cemal

  3. Jose Sotelo says

    December 9, 2016 at 12:18 pm

    Thanks for the article. I have a question related to change the exposure values with brushes. I feel is not the same when you go to Develop/Basic and change the exposure there by lets say +1 stop. If you go to Adjustment Brush and add +1 stop in the exposure value I dont see that the same thing occurs in the image. It looks like the Adjustment Brush just paint with white. I see it more clearly even on skies. When I reduce the overal exposure I get lot of details, clouds, colors, but if I adjust the image to certain exposure value to have good details of people’s face then I go to Adjustment Brush and paint reducing the exposure I dont get those details back. Any thoughts on this??? Thank you

    • A. Cemal Ekin says

      December 9, 2016 at 1:13 pm

      Hello Jose,

      Thank you for your question. The change in the exposure on the same area made from the Basic panel or the from a Brush painted area should yield the same results. I have two images below, one reflects an overall exposure change from the Basic panel, the other increasing the exposure +1 after brushing an area. As you will see, they look identical. However, as you are painting areas on a full image, the perception of brightness may be affected by the surrounding areas. Perhaps that could explain the difference. Perhaps you could make two separate brush based adjustments after some global adjustments to retain the detail you want.

      Cemal

      Exposure + 1 Basic Panel

      Exposure + 1 Brush Panel

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