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Adobe Photoshop Lightroom 2 How-Tos: 100 Essential Techniques by Chris Orwig

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Chapter SixLibrary Module—Metadata

In digital photography circles these days you’ll hear people talk about metadata about as frequently as arborists talk about trees. The reason metadata is so important is that it allows photographers to access and add vital information about images. In the simplest terms, metadata is data about data. In photography, the photo is considered the main data, and the metadata refers to everything else, from the labels and keywords to the details of the camera settings, including which lens, focal length, and aperture were used to make the photo. One way to think of photographic metadata is to divide it into two main types. One is metadata that can be added or customized; the other is metadata that is informational ...

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