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| p.1 #7 · quick "where is" question in LR 4 for Lens Correction |
In the help/about photoshop tab I see ACR 7.4 and Lightroom 4.4
I did not have to download the 24-70 profiles - I have mark I and mark II profiles already.
You can download a lens profile manually thru link howard gave you.
You should be able to update ACR within LR. Or, I found ACR manual download here
"You should be able to update ACR within LR."
Adobe Camera Raw is a plug-in that can be hosted by either Adobe Bridge or Photoshop; Lightroom is a stand-alone program. ACR requires a distinctly separate update and it cannot be done from within Lightroom.
To the OP:
Adobe software distinguishes between jpeg and raw formats and most available lens profiles are for raw files. So if you're attempting to correct a jpeg a lens profile might not be visible/available.
There is a workaround that involves copying the raw lens profile from its default location, renaming the file name ending from - Raw.lcp to - JPG.lcp, then using a text editor to change a flag./text string in the file from "CameraRawProfile>True<" to "CameraRawProfile>False<". After that you save the modified profile to the LensProfiles\1.0\Downloaded folder (Windows) and it will work with JPEG files.
But you'd need to exercise caution that you're not over-correcting the image if the camera had already applied some corrections (vignetting comes to mind, for example).