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Whether you’re making an HDR or shooting any other photographic work, shooting in RAW is one of the best ways for you to be able to have latitude with your images. A RAW file is essentially a negative for an image. The camera captures all of the data of a scene and stores it in this file for you to process later. Once you open up the RAW file in Photoshop, Lightroom, or another program, the file is then converted to its pixel-based counterpart. While they may be bigger than JPEGs, they are the original source work for your images. Shoot them, keep them, and treat them well.