XMP Specification September 2005 63 XMP Schemas EXIF Schemas 4 exif:DateTimeDigitized Date Internal EXIF tag 36868, 0x9004 (primary) and 37522, 0x9292 (subseconds). Date and time when image was stored as digital data, can be the same as DateTimeOriginal if originally stored in digital form. Stored in ISO 8601 format. Includes the EXIF SubSecTimeDigitized data. exif:ExposureTime Rational Internal EXIF tag 33434, 0x829A. Exposure time in seconds. exif:FNumber Rational Internal EXIF tag 33437, 0x829D. F number. exif:ExposureProgram Closed Choice of Integer Internal EXIF tag 34850, 0x8822. Class of program used for exposure: 0 = not defined 1 = Manual 2 = Normal program 3 = Aperture priority 4 = Shutter priority 5 = Creative program 6 = Action program 7 = Portrait mode 8 = Landscape mode exif:SpectralSensitivity Text Internal EXIF tag 34852, 0x8824. Spectral sensitivity of each channel. exif:ISOSpeedRatings seq Integer Internal EXIF tag 34855, 0x8827. ISO Speed and ISO Latitude of the input device as specified in ISO 12232. exif:OECF OECF/SFR Internal EXIF tag 34856, 0x8828. Opto-Electoric Conversion Function as specified in ISO 14524. exif:ShutterSpeedValue Rational Internal EXIF tag 37377, 0x9201. Shutter speed, unit is APEX. See Annex C of the EXIF specification. exif:ApertureValue Rational Internal EXIF tag 37378, 0x9202. Lens aperture, unit is APEX. exif:BrightnessValue Rational Internal EXIF tag 37379, 0x9203. Brightness, unit is APEX. exif:ExposureBiasValue Rational Internal EXIF tag 37380, 0x9204. Exposure bias, unit is APEX. exif:MaxApertureValue Rational Internal EXIF tag 37381, 0x9205. Smallest F number of lens, in APEX. Property Value Type Category Description