At some point in your journey into learning post-production, you are almost certainly going to come across the filter options in Adobe Lightroom. Getting to grips with them can really open up a lot of photographic options that you may not have been aware of. So let's jump in and look at some of the things you can do with Lightroom filters. Filters in Lightroom allow you to do selective changes on an image while using the complete RAW information. These filters are controlled by masks, and the only difference between each of them is the way the mask is applied.