While editing this picture, which was shot in JPEG, at one point some noise got added to the sky after I increased the saturation. I knew that the luminance noise reduction in ACR would take care of this. However to do so, I had to save the file as a JPEG and then open it again through ACR, apply noise reduction and then replace the monument with it's layer in the older .psd file (since I didn't want to loose it's detail).

So, I was wondering if there was a way to open a layer directly in Camera Raw and then process it then and there to avoid all this hassle?


After you make your adjustments in ACR, press Shift and then instead of Open Image, you'll see Open Object. That will create the layer as a smart object and you can then go back to ACR from that smart object layer. I believe you'd have to have known to do that from the start. I'm not aware of anyway to reopen a layer in ACR after the fact if you haven't opened it as a smart object.

  • In preferences you can set ACR to always open images as smart objects if you're going to do it a lot. – James Snell Jul 20 '15 at 15:48

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