![]() ![]() The Catalog also logs all the edits and changes you make to each image. It records keywords, ratings and collections, which are three essential tools for organising our image library. In Lightroom, metadata about your images is accessed and edited through the Catalog. So we can include a brief description, perhaps name the person or location in the photo, specify the genre of photography, or include any other information we think might aid us in seeking out the image at a later point. But perhaps more usefully, we can also add extra metadata that will help us to organise our photo library, like keywords and ratings. Most cameras will store Exif data automatically and if we like we can use this Exif metadata to categorize our photos by, for example, singling out all files taken with a certain ISO or lens (Lightroom offers filtering options for this in the Library Module). Applied to photography, the image is the primary data, and the Exif info is the data about the data – when it was taken, which camera and lens was used, the exposure settings and colour space. An archeological object, for example, becomes more valuable to academics when data is logged about where, when and how it was discovered. It’s purpose is to make data easier to organise and manage. Photographers often talk about the metadata embedded in their images, but what exactly is it? In a broader sense metadata is simply data about data. ![]() Now is the perfect time to organise your image library so you can search photos with ease What is metadata?
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