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The Importance of Straightening The Horizon and Aligning Lines
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<blockquote data-quote="BackdoorArts" data-source="post: 372056" data-attributes="member: 9240"><p>What Sparky said, Hark. Keystoning is one of thost things that's acceptable in a lot of cases and I tend to worry about it in situations like yours where there's stuff leaning in from both directions. That said, there are two ways to attempt to correct for it. The first is using the vertical perspective correction in Lightroom/ACR or in the Lens Correction Filter in Photoshop. The problem is that when you have a shot as tall as yours it becomes necessary to lose things elsewhere, which is (as someone else mentioned) why I always shoot with lots of crop room on things that I know I'm going to need to perspective correct. The other option, which is likely better in this case, is to use Free Transform in Photoshop with the Perspective setting, and pulling directly out from an upper corner. I suspect this is what Sparky used, but I could be wrong.</p><p></p><p>I use the perspective correction presets in LR a lot, but where there are multiple axis of skewing they can offer up rather odd looking solutions, so it's always good to learn new ways to do it.</p></blockquote><p></p>
[QUOTE="BackdoorArts, post: 372056, member: 9240"] What Sparky said, Hark. Keystoning is one of thost things that's acceptable in a lot of cases and I tend to worry about it in situations like yours where there's stuff leaning in from both directions. That said, there are two ways to attempt to correct for it. The first is using the vertical perspective correction in Lightroom/ACR or in the Lens Correction Filter in Photoshop. The problem is that when you have a shot as tall as yours it becomes necessary to lose things elsewhere, which is (as someone else mentioned) why I always shoot with lots of crop room on things that I know I'm going to need to perspective correct. The other option, which is likely better in this case, is to use Free Transform in Photoshop with the Perspective setting, and pulling directly out from an upper corner. I suspect this is what Sparky used, but I could be wrong. I use the perspective correction presets in LR a lot, but where there are multiple axis of skewing they can offer up rather odd looking solutions, so it's always good to learn new ways to do it. [/QUOTE]
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