EXPOSURE BLUR
Finding the Light SourcesIn this section, we'll use the Levels tool to identify the light sources that will be used to create the light streaks. Step 1Open an image to edit. Use the Image Size tool to resize the image to the final output size you would like. This Photoshop effect will use a lot of your computers resource so we recommend starting off with a small image, around 300 pixels wide or tall. Step 2Duplicate the layer (Layer> Duplicate Layer or Ctrl+J). Step 3With the top layer selected, open the Levels tool (Image> Adjustments> Levels or Ctrl+L) and move the middle input slider all the way to the ...
