The number of columns of image data, equal to the number of pixels per row. In JPEG compressed data a JPEG marker is used instead of this tag.

The number of rows of image data. In JPEG compressed data a JPEG marker is used instead of this tag.

The number of bits per image component. In this standard each component of the image is 8 bits, so the value for this tag is 8. See also SamplesPerPixel. In JPEG compressed data a JPEG marker is used instead of this tag.

The compression scheme used for the image data. When a primary image is JPEG compressed, this designation is not necessary and is omitted. When thumbnails use JPEG compression, this tag value is set to 6.

The pixel composition. In JPEG compressed data a JPEG marker is used instead of this tag.

A character string giving the title of the image.

The manufacturer of the recording equipment. This is the manufacturer of the DSC, scanner, video digitizer or other equipment that generated the image. When the field is left blank, it is treated as unknown.

The model name or model number of the equipment. This is the model name of number of the DSC, scanner, video digitizer or other equipment that generated the image. When the field is left blank, it is treated as unknown.

For each strip, the byte offset of that strip. It is recommended that this be selected so the number of strip bytes does not exceed 64 Kbytes. With JPEG compressed data this designation is not needed and is omitted. See also RowsPerStrip and StripByteCounts.

The image orientation viewed in terms of rows and columns.

The number of components per pixel. Since this standard applies to RGB and YCbCr images, the value set for this tag is 3. In JPEG compressed data a JPEG marker is used instead of this tag.

The number of rows per strip. This is the number of rows in the image of one strip when an image is divided into strips. With JPEG compressed data this designation is not needed and is omitted. See also RowsPerStrip and StripByteCounts.

The total number of bytes in each strip. With JPEG compressed data this designation is not needed and is omitted.

The number of pixels per ResolutionUnit in the ImageWidth direction. When the image resolution is unknown, 72 dpi is designated.

The number of pixels per ResolutionUnit in the ImageLength direction. The same value as XResolution is designated.

Indicates whether pixel components are recorded in chunky or planar format. In JPEG compressed files a JPEG marker is used instead of this tag. If this field does not exist, the TIFF default of 1 (chunky) is assumed.

The unit for measuring XResolution and YResolution. The same unit is used for both XResolution and YResolution. If the image resolution in unknown, 2 (inches) is designated.

A transfer function for the image, described in tabular style. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).

This tag records the name and version of the software or firmware of the camera or image input device used to generate the image.

The date and time of image creation. In this standard it is the date and time the file was changed.

This tag records the name of the camera owner, photographer or image creator.

The chromaticity of the white point of the image. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).

The chromaticity of the three primary colors of the image. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).

The offset to the start byte (SOI) of JPEG compressed thumbnail data. This is not used for primary image JPEG data.

The number of bytes of JPEG compressed thumbnail data. This is not used for primary image JPEG data.

The matrix coefficients for transformation from RGB to YCbCr image data.

The sampling ratio of chrominance components in relation to the luminance component. In JPEG compressed data a JPEG marker is used instead of this tag.

The position of chrominance components in relation to the luminance component.

The reference black point value and reference white point value.

Copyright information. In this standard the tag is used to indicate both the photographer and editor copyrights. It is the copyright notice of the person or organization claiming rights to the image.

Exposure time, given in seconds (sec).

The F number.

The class of the program used by the camera to set exposure when the picture is taken.

Indicates the spectral sensitivity of each channel of the camera used. The tag value is an ASCII string compatible with the standard developed by the ASTM Technical committee.

Indicates the ISO Speed and ISO Latitude of the camera or input device as specified in ISO 12232.

Indicates the Opto-Electric Conversion Function (OECF) specified in ISO 14524. OECF is the relationship between the camera optical input and the image values.

The version of this standard supported.

The date and time when the original image data was generated. For a DSC the date and time the picture was taken are recorded.

The date and time when the image was stored as digital data. If, for example, an image was captured by DSC and at the same time the file was recorded, then the DateTimeOriginal and DateTimeDigitized will have the same contents.

Information specific to compressed data. The channels of each component are arranged in order from the 1st component to the 4th. For uncompressed data the data arrangement is given in the PhotometricInterpretation tag.

Information specific to compressed data. The compression mode used for a compressed image is indicated in unit bits per pixel.

Shutter speed. The unit is the APEX (Additive System of Photographic Exposure) setting.

The lens aperture. The unit is the APEX (Additive System of Photographic Exposure) value.

The value of brightness. The unit is the APEX (Additive System of Photographic Exposure) value. Ordinarily it is given in the range of -99.99 to 99.99.

The exposure bias. The unit is the APEX (Additive System of Photographic Exposure) value. Ordinarily it is given in the range of –99.99 to 99.99.

The smallest F number of the lens. The unit is the APEX (Additive System of Photographic Exposure) value. Ordinarily it is given in the range of 00.00 to 99.99, but it is not limited to this range.

The distance to the subject, given in meters.

The metering mode.

The kind of light source.

This tag indicates the status of flash when the image was shot.

The actual focal length of the lens, in mm.

This tag indicates the location and area of the main subject in the overall scene.

A tag for manufacturers of Exif writers to record any desired information.

A tag for Exif users to write keywords or comments on the image besides those in ImageDescription, and without the character code limitations of the ImageDescription tag.

A tag used to record fractions of seconds for the DateTime tag.

A tag used to record fractions of seconds for the DateTimeOriginal tag.

A tag used to record fractions of seconds for the DateTimeDigitized tag.

The Flashpix format version supported by a FPXR file.

The color space information tag (ColorSpace) is always recorded as the color space specifier.

Information specific to compressed data. When a compressed file is recorded, the valid width of the meaningful image shall be recorded in this tag, whether or not there is padding data or a restart marker. This tag should not exist in an uncompressed file.

Information specific to compressed data. When a compressed file is recorded, the valid height of the meaningful image shall be recorded in this tag, whether or not there is padding data or a restart marker. This tag should not exist in an uncompressed file.

This tag is used to record the name of an audio file related to the image data.

Indicates the strobe energy at the time the image is captured, as measured in Beam Candle Power Seconds (BCPS).

This tag records the camera or input device spatial frequency table and SFR values in the direction of image width, image height, and diagonal direction, as specified in ISO 12233.

Indicates the number of pixels in the image width (X) direction per FocalPlaneResolutionUnit on the camera focal plane.

Indicates the number of pixels in the image height (Y) direction per FocalPlaneResolutionUnit on the camera focal plane.

Indicates the unit for measuring FocalPlaneXResolution and FocalPlaneYResolution. This value is the same as the ResolutionUnit.

Indicates the location of the main subject in the scene.

Indicates the exposure index selected on the camera or input device at the time the image is captured.

Indicates the image sensor type on the camera or input device.

Indicates the image source. If a DSC recorded the image, this tag value of this tag always be set to 3, indicating that the image was recorded on a DSC.

Indicates the type of scene. If a DSC recorded the image, this tag value shall always be set to 1, indicating that the image was directly photographed.

Indicates the color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is used. It does not apply to all sensing methods.

This tag indicates the use of special processing on image data, such as rendering geared to output. When special processing is performed, the reader is expected to disable or minimize any further processing.

This tag indicates the exposure mode set when the image was shot. In auto-bracketing mode, the camera shoots a series of frames of the same scene at different exposure settings.

This tag indicates the white balance mode set when the image was shot.

This tag indicates the digital zoom ratio when the image was shot. If the numerator of the recorded value is 0, this indicates that digital zoom was not used.

This tag indicates the equivalent focal length assuming a 35mm film camera, in mm. A value of 0 means the focal length is unknown. Note that this tag differs from the FocalLength tag.

This tag indicates the type of scene that was shot. It can also be used to record the mode in which the image was shot. Note that this differs from the scene type (SceneType) tag.

This tag indicates the degree of overall image gain adjustment.

This tag indicates the direction of contrast processing applied by the camera when the image was shot.

This tag indicates the direction of saturation processing applied by the camera when the image was shot.

This tag indicates the direction of sharpness processing applied by the camera when the image was shot.

This tag indicates information on the picture-taking conditions of a particular camera model.

This tag indicates the distance to the subject.

This tag indicates an identifier assigned uniquely to each image.

Indicates the version of GPSInfoIFD. The version is given as 2.2.0.0. This tag is mandatory when GPSInfo tag is present.

Indicates whether the latitude is north (N) or south (S) latitude.

Indicates the latitude. The latitude is expressed as three RATIONAL values giving the degrees, minutes, and seconds, respectively. If latitude is expressed as degrees, minutes and seconds, a typical format would be dd/1,mm/1,ss/1. When degrees and minutes are used and, for example, fractions of minutes are given up to two decimal places, the format would be dd/1,mmmm/100,0/1.

Indicates whether the longitude is east (E) or west (W) longitude.

Indicates the longitude. The longitude is expressed as three RATIONAL values giving the degrees, minutes, and seconds, respectively. If longitude is expressed as degrees, minutes and seconds, a typical format would be ddd/1,mm/1,ss/1. When degrees and minutes are used and, for example, fractions of minutes are given up to two decimal places, the format would be ddd/1,mmmm/100,0/1.

Indicates the altitude used as the reference altitude. If the reference is sea level and the altitude is above sea level, 0 is given. If the altitude is below sea level, a value of 1 is given and the altitude is indicated as an absolute value in the GPSAltitude tag. The reference unit is meters.

Indicates the altitude based on the reference in GPSAltitudeRef. The reference unit is meters.

Indicates the time as UTC (Coordinated Universal Time).

Indicates the GPS satellites used for measurements. This tag can be used to describe the number of satellites, their ID number, angle of elevation, azimuth, SNR and other information.

Indicates the status of the GPS receiver when the image is recorded. 'A' means measurement is in progress, and 'V' means the measurement is Interoperability.

Indicates the GPS measurement mode. '2' means two-dimensional measurement and '3' means three-dimensional measurement is in progress.

Indicates the GPS DOP (data degree of precision). An HDOP value is written during two-dimensional measurement, and PDOP during three-dimensional measurement.

Indicates the unit used to express the GPS receiver speed of movement. 'K' 'M' and 'N' represents kilometers per hour, miles per hour, and knots.

Indicates the speed of GPS receiver movement.

Indicates the reference for giving the direction of GPS receiver movement. 'T' denotes true direction and 'M' is magnetic direction.

Indicates the direction of GPS receiver movement. The range of values is from 0.00 to 359.99.

Indicates the reference for giving the direction of the image when it is captured. 'T' denotes true direction and 'M' is magnetic direction.

Indicates the direction of the image when it was captured. The range of values is from 0.00 to 359.99.

Indicates the geodetic survey data used by the GPS receiver.

Indicates whether the latitude of the destination point is north (N) or south (S) latitude.

Indicates the latitude of the destination point. The latitude is expressed as three RATIONAL values giving the degrees, minutes, and seconds, respectively. If latitude is expressed as degrees, minutes and seconds, a typical format would be dd/1,mm/1,ss/1. When degrees and minutes are used and, for example, fractions of minutes are given up to two decimal places, the format would be dd/1,mmmm/100,0/1.

Indicates whether the longitude of the destination point is east (E) or west (W) longitude.

Indicates the longitude of the destination point. The longitude is expressed as three RATIONAL values giving the degrees, minutes, and seconds, respectively. If longitude is expressed as degrees, minutes and seconds, a typical format would be ddd/1,mm/1,ss/1. When degrees and minutes are used and, for example, fractions of minutes are given up to two decimal places, the format would be ddd/1,mmmm/100,0/1.

Indicates the reference used for giving the bearing to the destination point. 'T' denotes true direction and 'M' is magnetic direction.

Indicates the bearing to the destination point. The range of values is from 0.00 to 359.99.

Indicates the unit used to express the distance to the destination point. 'K', 'M' and 'N' represent kilometers, miles and knots.

Indicates the distance to the destination point.

A character string recording the name of the method used for location finding.

A character string recording the name of the GPS area.

A character string recording date and time information relative to UTC (Coordinated Universal Time).

Indicates whether differential correction is applied to the GPS receiver.