For descriptive metadata, there is an overlap between Exif, IPTC Information Interchange Model and XMP info, which also can be embedded in a JPEG file. On several image specific properties, there is a large overlap between the tags defined in the TIFF, Exif, TIFF/EP, and DCF standards. The Exif tag structure is borrowed from TIFF files. This section needs expansion with: changes. A thumbnail for previewing the picture on the camera's LCD screen, in file managers, or in photo manipulation software.
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This includes static information such as the camera model and make, and information that varies with each image such as orientation (rotation), aperture, shutter speed, focal length, metering mode, and ISO speed information. Digital cameras will record the current date and time and save this in the metadata. The metadata tags defined in the Exif standard cover a broad spectrum: Exif is supported by almost all camera manufacturers. The latest version 2.3 was released on 26 April 2010, and revised to 2.31 in July 2013 and revised to 2.32 on, was jointly formulated by JEITA and CIPA. Version 2.21 (with Adobe RGB support) is dated 11 July 2003, but was released in September 2003 following the release of DCF 2.0. " Exif Print"), dated 20 February 2002 and released in April 2002. JEITA established Exif version 2.2 (a.k.a. Version 2.1 of the specification is dated 12 June 1998. The Japan Electronic Industries Development Association (JEIDA) produced the initial definition of Exif.
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