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Here I want to highlight another new feature that we'll encounter in Lightroom and this one is called DNG Validation. Now this will be relevant to you if you work with the DNG format like I do myself. In order to get to know why this matters, I think it's helpful to take a look at why people use this format. So before we get to Lightroom, let's ask that question, why work with this DNG format? There are a number of different reasons why people use DNG files. The DNG format allows us to do different types of compression, sometimes that's Lossless where detail isn't lost, other situations it's Lossy where detail is lost, yet in either scenario,the DNG format, it allows us to work more quickly in Lightroom.
Sometimes that means that we can work with Fast Load DNGs and we can work up to eight times faster when it comes to previewing and working with our images in the Develop module. In other situations, it allows us to work without Sidecar XMP files in comparison to RAW files, which need the Sidecar XMP file. Another reason why people use this format is for archivable confidence. The DNG format is Open Source, therefore,people are confident that they will be able to access and work with their images into the future.
Now there's a new reason for using the DNG format and it's this DNG Validation; this new feature, which we're going to highlight here. All right, well what is DNG Validation and how does it work? Let's jump to Lightroom in order to take a look. Now that I'm inside of Lightroom, I want to continue to talk about DNG Validation. You know one thing that happens with whatever type of file format we use is that eventually, some of our files will become corrupt. This is just the nature of working on computers. What we can do is we can find those files and then we can get rid of them and let me show you how.
In the Library module, you can navigate to the Library pull-down menu, then you can you can select Validate DNG files. What this will do is it will ask Lightroom to scour and scan your entire Lightroom catalog and search for any DNG files that are bad. A great thing about this is that if it finds any files, it will put those in a collection. Now here, my library is in good shape and that is a good thing. Yet if it found a file, it would put it in a collection. And the reason why this is helpful? It's kind of the same reason why it is helpful to know if you have a rotten apple inside of a basket full of apples because it's better to find out beforehand that the apple is rotten before you sink your teeth into it.
In other words, this will just help you to realize, hey, you know what, these files are corrupt. And sometimes there's nothing you can do but get rid of those files, clean house, delete them. In other situations, you may discover that a file is corrupt and that you have another version of that file on a different hard drive. That will you give you the heads up to go looking for the better version of that particular file. Well either way this new feature is a welcome new feature because it now allows us to find those files which are corrupt and you can access this option by navigating to your Library pulldown menu and then by selecting Validate DNG files.
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