Version 2.1 of the specification is dated 12 June 1998. The Japan Electronic Industries Development Association (JEIDA) produced the initial definition of Exif. 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.Digital cameras will record the current date and time and save this in the metadata. Image metrics: Pixel dimensions, resolution, colorspace, and filesize.Camera settings: 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.The metadata tags defined in the Exif standard cover a broad spectrum: Exif is supported by almost all camera manufacturers.
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