Shortcuts for working with filters
Just a few useful shortcuts when working with filters in Photoshop. This is especially useful when applying a filter a few times over like Gausian blur or Unsharp Mask.
COMMAND+F - APPLY LAST FILTER WITH PREVIOUS SETTINGS
COMMAND+OPTION+F - BRING UP LAST FILTER SETTINGS
COMMAND+SHIFT+F - FADE LAST FILTER (OR ANY PREVIOUS STEP) APPLIED