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Deep Zoom File Format Overview | Microsoft DocsSingle Images Single large images in Deep Zoom are represented by a tiled image pyramid. This allows the Deep Zoom rendering engine to grab only that bit of data that is necessary for a particular view of an image. If an image is being viewed zoomed out very far, then a small thumbnail is all that’s needed to show the image on screen. However, if the user is zoomed in to a specific area of a large
