Hands-on Photo Tip: How to Remove Chromatic Aberration in Adobe Camera Raw

Example of Chromatic Aberration in PhotomatixIn this Hands-on Photo Tip, I will show you how to use Adobe Camera Raw (version 7 and later) to remove Chromatic Aberration from your photos. Chromatic Aberration is an optical effect caused by your lens. Especially when you shoot with a wide-angle lens, it creates color fringes towards the edges of the frame. If you do not treat them properly, these fringes get worse when you post-process your images, especially when you are using them to create an HDR.

Adobe Camera Raw has some powerful tools to remove Chromatic Aberration, and these tools have even been improved in versions 7 and higher.

You can also remove Chromatic Aberration in Adobe Camera Raw before version 7, but this was not as convenient as it is now.

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9 replies
  1. Mustang Joe
    Mustang Joe says:

    Thank you Klaus. I wasn’t aware of the ALT-slider combination to show the affected area in black. That will come in handy. One other option for selecting the colour range is to hold down the CTRL key which will turn the cursor into an eye dropper. If you move the cursor over the fringe in the image, it will display a small white mark on the slider showing you where that colour appears on the slider. Clicking the eye dropper on the fringe will also set the slider range to the selected colour.

    Reply
  2. Michael
    Michael says:

    Hi Klaus, thanks a lot for this great tut but may I ask you one question? Which version of ACR do you use? In my 7.0 version I can’t find the manual option to correct cas, only the automatic mode…

    BR
    Michael

    Reply
    • farbspiel
      farbspiel says:

      Hi Michael,

      I am in version 7.3. I am not sure with which version that introduced these sliders. But you should be able to update to version 7.3 or later.

      Also make sure that you convert to the new process. If there is an exclamation mark in the bottom left corner of the preview area when you open an image, click on it and convert to the latest process. That may be necessary to get those sliders in the first place.

      Cheers
      Klaus

      Reply
  3. David B
    David B says:

    Hi,

    I’ve found if I make those sliders as wide as you have shown that I start getting color distortion in places that were fine to start with. I usually set the level a bit higher than desirable and then find the narrowest range of hue that works, then reduce the amount slider back down until I have the lowest amount that works.

    I have also usually left the correct CA box checked and then added then sliders on top of that if needed, such as for purple fringe which the automatic fix does not seem to fix that well. Is there a reason why I should not keep the CA correction box checked if I am also adjusting with the sliders?

    Thanks for this tutorial. I use ACR in Lightroom and did not know about the alt key trick, but LR does have a check box for the eye dropper so cntrl is not needed there.

    Reply
  4. Jan Aa.
    Jan Aa. says:

    Thank you for a really good tutorial! I use Lightroom, but I didn’t know how to use the manual sliders. Now I do 🙂

    Reply

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