![]() Here’s the result after using the Transform->Distort command in PS CS5 for comparison: Guidelines aligned along two verticals and two horizontals.Ĭlick Accept then File-Save and the corrected version is saved, stacked, along your original in LR: First you dial in your preferred aspect ratio – 3:2 like the original in this case – then click on the double keystoning icon and align the guidelines with the two verticals and two horizootals that have to be straightened: There are three keystoning icons in addition to traditional sliders. In the image below from the San Francisco Palace of Fine Arts, there is keystoning in two planes – vertical, obviously, and horizontal as I was not plane to the subject. I went into Finder and erased the 32-bit one as it’s a distraction. ![]() You have a choice of 32-bit or 64-bit versions. The LR version integrates seamlessly, requiring the user to hit Photo->Edit in->DxO Viewpoint when in the Library or Develop module whereupon LR generates a lossless TIFF file which pops up in DxO ViewPoint. You have the option of installing it as a PS and/or LR plugin in addition to the mandatory stand-alone version which is installed in the Applications folder. It’s a whopper at some 187MB, larger than Lightroom itself. I have traditionally used PS CS5 to correct keystoning and believe that PS CS6 adds volume anamorphosis correction, but as DxO is running a $39 special offer – half off – through December 31, 2012, I purchased the Mac version on the recommendation of a friend.ĭxO’s poky servers went down half way through my first download attempt but the second was successful. Correcting keystoning from leaning verticals or slanting horizontals and removing volume anamorphosis, the elongation of objects near frame’s edge when very wide angle lenses are used. DxO is a Photoshop or Lightroom plugin whose purpose is twofold.
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