7-11 Using Color Adjustment Layers – Beginner’s Tutorial

We have come up with the idea a long time ago that we should try to retain maximum editability, and a very important part of this is to retain the original image in the layer. But in actual operation, many tools have a destructive effect on the pixels in the layer. The same goes for color adjustment commands. We can demonstrate the damage color adjustments can do to the original image with a simple experiment. Open the original image below on the left in Photoshop. Then use the Brightness/Contrast adjustment command to lower the brightness to -100. After confirmation, the image effect is as shown in the middle picture. Then use the brightness/contrast adjustment command again to set the brightness to +100. The resulting image will look like the image on the right. It is obvious that two addition and subtraction operations that seem to cancel each other out do not restore the image to its original state. We have also encountered similar operations when changing the image size in Course #02. This is because when the first operation is confirmed, the pixels in the image have changed, and the second operation is based on the changed image. The details…