Using Levels to manipulate an Image Histogram in Photoshop

In this tutorial, I will go over how to use the Levels pane in Photoshop to manipulate an Image Histogram. If you aren’t really sure what an image histogram is or what it tells you, refer to my previous blog post!

WATCH THE FIRST TUTORIAL HERE: Black point and   White point Sliders
This tutorial (about 4:30 min) will explain what happens to the image histogram and the darkness or lightness of an image when you adjust black or white point sliders, and a neat trick on how you can catch any clipping that occurs!

WATCH THE SECOND TUTORIAL HERE: Midtone sliders and Posterization
This tutorial (about 4:45 min) will explain what happens to the image histogram and the darkness or lightness of an image when you adjust the midtone slider, and includes a warning about posterization and a few tips on how to avoid it from happening to your image!

Enjoy 🙂

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To get to Levels, go to the top navigation bar and select Image > Adjustments > Levels
(or Command L on a mac / Ctrl L on a PC)
The Levels tool has 3 sliders: black point, midtone, and white point.
Image
Before you move the sliders, the histogram represents Input Levels.
Once you move the sliders around, you’re mapping the current Input Levels to new Output Levels.

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