How to Adjust Exposure in Photoshop

Step-by-Step Guide

1. 1

   Step 1: Open an image;

   It depend on the color mode of your picture, if you use CMYK, you can adjust the exposure by select CMYK channel, Cyan channel, Magenta channel, Yellow channel, Black channel.
   
   By this my image is RGB mode so I can select RGB channel, Red channel, Blue channel, Green channel , Example when adjust the exposure by use RGB mode ,,,
2. 2

   Step 2: Go to Image>Adjustments>Levels

3. 3

   Step 3: in the Levels Options box

4. 4

   Step 4: you can choose the channel to adjust the exposure.

5. 5

   Step 5: You can adjust Input and output level from slide bar.

6. 6

   Step 6: Example when adjust the exposure by use Red mode

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   Step 7: Example when adjust the exposure by use Blue mode

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   Step 8: Example when adjust the exposure by use Green mode

Detailed Guide

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