Before we begin, this tutorial will give you more detail reach in solving this common problem we facing. I assume you already know how to add your image in lightroom, so this tutorial will begin at Develop Module.
1. Lower the Highlight
One reason you can’t see the sensor dust on your monitor is because the image is to bright or your monitor is to bright. Because of that dust usually can’t be seen on highlighted part of your image.
For you to see the dust you can simply lower the Highlight on Basic adjustment box to max (-100). With this you can see your sensor dust more better.
2. Adjust the Tone Curve
Usually you can just start remove the sensor dust. But sometime there are more dust that you can’t see. Not yet.
To see more you can just go to the Tone Curve Box and create an adjustment. Just make the 5 point adjustment that I did. You can do this by click part of the line and drag it.
3. Spot Removal
Now is time remove the dust off your image. To do this click on the Spot Removal icon or type Q. Then click the every dust in your image to remove it automatically.
Try to twitch the spot removal option a little, if you don’t feel right. Like the clone and heal option.
Now see the different:
4. Reset the Tone Curve
Of course we don’t want our picture looks like this. And since the only reason it’s look like this because of the tone curve (so we can see the sensor dust), so we can just remove the sensor dust.
To reset the tone curve, you can just can do it by double click every dots on the line, or just by click right on the curve and click Flatten Curve.
Now your image has turn to normal and you can add another post-processing that you want.
I know there are more simpler way to do this. But this is the best method to locate and remove sensor dust.
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