The NewSubfileType field contains a bitmask of intents of the IFD.

The SubfileType field contains an enumerated value of intents of the IFD.

The SubfileType field is made obsolete by NewSubfileType.

The ImageWidth field is the width of the image, the number of columns in the pel-path direction.

See alsoImageLength, Orientation.

The ImageLength field is the length of the image, the number of scanlines in the scan direction.

See alsoImageWidth, Orientation.

The BitsPerSample field specifies the precision or number of bits that is used to represent each component of the image in an image sample.

This field sometimes contains one value, for each component having the same precision, it should have a value for each component.

The Compression field represents the type of compression used to compress the image data.

The PhotometricInterpretation field describes the colorspace the image samples represent.

The Thresholding field contains the type of the halftoning/dithering algorithm used.

The CellWidth fields contains the width of the halftone cell.

This field should only be present if Thresholding==OrderedDither.

The CellLength field contains the length of the halftone cell.

This field should only be present if Thresholding==OrderedDither.

The FillOrder field describes the bit order of the compressed image data.

This is almost always msb-to-lsb. The native form of Group 3 facsimile devices is lsb-to-msb.

The DocumentName fields contains the name of the document.

The ImageDescription fields contains text describing the image.

The Make field defines the manufacturer of the input scanner/camera that digitized the image.

The Model field defines the model of the input scanner/camera that digitized the image.

The StripOffsets field contains a value for each strip of the image that is the offset to the beginning of the strip data.

The strips per image is determined from the image length and the rows per strip. See ImageLength, RowsPerStrip.

If the image has PlanarConfiguration==Planar then there is an offset for each sample for each strip of the image, with the offsets pointing to in order the strips for each separated component.

See alsoStripByteCounts, RowsPerStrip.

The Orientation field describes how the output image is to be interpreted by rotating or flipping the coordinate origin.

The SamplesPerPixel field is how many image or data component samples there are for each pixel.

Each pixel has the same number of samples, except in the case of subsampled YCbCr and ITU/Facsimile L*a*b* per TIFF 6.0 and TIFF-FX, in which case this value reflects the number of components.

Each sample represents an channel or component given the photometric interpretation, unless extra samples are present. See ExtraSamples.

The image may have multiple components but be a palettized image, in which case SamplesPerPixel would only reflect one sample for the color map entry. See Indexed, PhotometricInterpretation==PaletteColor.

See alsoExtraSamples, Indexed, PhotometricInterpretation.

The RowsPerStrip field contains the number of rows (scanlines) per strip.

It is used to determine the strips per image.

A value of 0xFFFFFFFF, or the maximum value of the data type, implies that the entire image is one strip.

See alsoStripOffsets, StripByteCounts.

The StripByteCounts field contains a value for each strip of the image that is the byte count of the strip.

The strips per image is determined from the image length and the rows per strip. See ImageLength, RowsPerStrip.

If the image has PlanarConfiguration==Planar then there is an offset for each sample for each strip of the image, with the offsets pointing to in order the strips for each separated component.

See alsoStripOffsets, RowsPerStrip.

The MinSampleValue field identifies the least sample value for each sample, from the range of values possible given the bits per sample of the sample as an unsigned integer.

This is for use only for statistical purposes and not footroom of the sample.

See alsoMaxSampleValue.

The MaxSamplesValue field identifies the greatest sample value for each sample, from the range of values possible given the bits per sample of the sample as an unsigned integer.

This is for use only for statistical purposes and not headroom of the sample.

See alsoMinSampleValue.

The XResolution contains the pixels per resolution unit in the horizontal direction, before orientation.

See alsoYResolution, ResolutionUnit, Orientation.

The YResolution contains the pixels per resolution unit in the vertical direction, before orientation.

See alsoXResolution, ResolutionUnit, Orientation.

The PlanarConfiguration field describes how the data is interleaved, for example pixel interleaved, scanline interleaved, or component interleaved.

The PageName field contains the name of a page within a multiple-page document, for example a logical page number.

The XPosition field defines the horizontal offset from the edge of an output page of the image data.

The XPosition field is used in TIFF-FX MRC to define the offset of image elements in MRC.

The YPosition field defines the vertical offset from the edge of an output page of the image data.

The YPosition field is used in TIFF-FX MRC to define the offset of image elements in MRC.

The FreeOffsets field contains an array of offsets to unused regions within the file.

The FreeOffsets field contains an array of byte counts of unused regions within the file.

The GrayResponseUnit field contains a value describing the multiplier of the GrayResponseCurve values. Each GrayResponseCurve value is multiplied by the value of the GrayResponseUnit, eg 1/10, 1/100, 1/1000, etcetera.

See alsoGrayResponseCurve.

The GrayResponseCurve contains a value for each of the values of BitsPerSample many bits that describes the optical density of a pixel having that value.

The values of the GrayResponseCurve are each to be multiplied by the factor described in the GrayResponseUnits field.

See alsoGrayResponseUnit, ColorResponseCurves, TransferFunction.

The T4Options field contains options of the ITU-T T.4 (CCITT Group 3 Facsmile) coding.

The T6Options field contains options of the ITU-T T.6 (CCITT Group 4 Facsmile) coding.

The ResolutionUnit field contains whether the resolution unit is inch, centimeter, or unknown/unspecified.

See alsoXResolution, YResolution.

The PageNumber field contains two values, the first being the page index for this page and the second being the number of pages or zero for unknown.

Some broken applications reverse these values.

The ColorResponseUnit field contains a value describing the multiplier of the ColorResponseCurves values. Each of the ColorResponseCurves' values is multiplied by the value of the ColorResponseUnit, eg 1/10, 1/100, 1/1000, etcetera.

See alsoColorResponseCurves.

The TransferFunction field contains a value for each of the possible values of the pixel for each component or all components.

The TransferFunction tag coincides with the ColorResponseCurves tag, if the ColorResponseUnits field exists then TransferFunction should be treated as ColorResponseCurves.

See alsoTransferRange, ReferenceBlackWhite.

The Software field defines the software product and version that generated the image file.

The DateTime contains an ASCII string of 20 characters, with the ending binary zero.

The ASCII string encodes a date and time as "YYYY:MM:DD HH:MM:SS".

The Artist field contains the artist/author of the image.

This field is sometimes used to hold copyright information.

This field sometimes contains two null-terminated strings, with the second being copyright information.

The HostComputer field contains the name of the computer which created the image file.

The Predictor field describes the differencing predictor method used.

It is used with LZW and perhaps also Deflate compression schemes.

The WhitePoint field contains two values that describe the CIE xy components of the chromaticity of the white point, where the primaries (channels) have their reference white values.

The PrimaryChromaticities field contains six values that described the CIE xy components of the chromaticity of the three primaries (channels) at their reference white values, where the other primaries are at their reference black values.

The ColorMap field contains a 16-bit value for each component.

The values are component interleaved, for example for an RGB images the values of the colormap are stored RRR...GGG...BBB....

The colormap may contain a map for three or four component images, when either PhotometricInterpretation==PaletteColor or Indexed==Indexed.

See alsoPhotometricInterpretation, Indexed.

The HalftoneHints field contains range extents for the halftone function of values to retain tonal value.

The TileWidth field contains the width of the tiles of the tiled image.

TileWidth must be a multiple of 16.

The TileLength field contains the length of the tiles in the tiled image.

TileLength must be a multiple of 16.

The TileOffsets field contains a value for each tile that is the offset to the beginning of the tile data.

The tiles per image is determined from the image dimensions and the tile dimensions. See ImageWidth, ImageLength, TileWidth, TileLength.

The tiles are in order from left-to-right and then top-to-bottom.

If the image has PlanarConfiguration==Planar then there is an offset for each sample for each tile of the image, with the offsets pointing to in order the tiles for each separated component.

See alsoTileByteCounts, TileWidth, TileLength.

The TileByteCounts field contains a value for each tile that is the offset to the beginning of the tile data.

The tiles per image is determined from the image dimensions and the tile dimensions. See ImageWidth, ImageLength, TileWidth, TileLength.

The tiles are in order from left-to-right and then top-to-bottom.

If the image has PlanarConfiguration==Planar then there is an offset for each sample for each tile of the image, with the offsets pointing to in order the tiles for each separated component.

See alsoTileOffsets, TileWidth, TileLength.

The BadFaxLines field contains how many of the ImageLength many rows were damaged on facsimile transmission.

The CleanFaxData field describes the damaged or undamaged state of transmitted Group 3 facsimile data.

The ConsecutiveBadFaxLines field contains the maximum of how many facsimile lines in a row were damaged or unreadable on transmission.

The SubIFDs fields contains offsets to child IFDs of the current IFD that are not otherwise linked in the IFD chain.

The InkSet field for separated images describes whether the inkset is CMYK, or not.

The InkNames field contains a null-separated list of strings that define ink/colorant names.

The number of strings must be equal to the value of the NumberOfInks field.

The NumberOfInks fields contains the number of inks for a separated image.

See alsoInkSet, InkNames.

The DotRange value contains the value of the sample for 0% and 100% saturation, for either all samples or each sample.

The TargetPrinter describes the output printer environment.

The ExtraSamples field defines how many data samples there are beyond those for the photometric interpretation.

There may be extra components of the image beyond those for the PhotometricInterpretation. These components are often used to represent transparency information of the samples.

For each of the N many extra components, the value of this field represents the meaning of the extra sample.

The SampleFormat field represents for each sample the data format of the sample, whether unsigned or signed integer, floating point, or undefined. The bits per sample are determined by the BitsPerSample field.

The default is unsigned integer data, and undefined data should be left or treated as unsigned integer data.

See alsoBitsPerSample, SMinSampleValue, SMaxSampleValue.

The SMinSampleValue field identifies the least sample value for each sample, from the range of values possible given the bits per sample of the sample as its type as specified by the SampleFormat field.

See alsoSMaxSampleValue.

The SMaxSampleValue field identifies the greatest sample value for each sample, from the range of values possible given the bits per sample of the sample as its type as specified by the SampleFormat field.

See alsoSMinSampleValue.

The TransferRange field contains two values for each of three components that are an offset and a scaling, these values expand the TransferFunction range.

See alsoTransferFunction.

The ClipPath field contains the specification of a clipping path that outlines the image data to be output.

The TIFF clipping path is designed to be directly compatible with PostScript path information.

The clip path contains a header, 16 bytes with "II" or "MM" and then zeros, and then path operators, commands.

The XClipPathUnits field contains the number of horizontal clip path coordinates, the count of coordinates for the clip path coordinate system across the image.

The YClipPathUnits field contains the number of vertical clip path coordinates, the count of coordinates for the clip path coordinate system down the image.

The Indexed field denotes whether the image data given the photometric interpretation (see PhotometricInterpretation) is palettized or indexed to the color map (see ColorMap).

See alsoPhotometricInterpretation, ColorMap.

The JPEGTables field contains an abbreviated JPEG data table specification to install the tables into the JPEG coder for JPEG coded data.

The OPIProxy field denotes whether this image is a proxy for a higher resolution image named in the ImageID field.

See alsoImageID.

The Decode field contains values that define the range of colorspace values to map the range of sample values.

The DefaultImageColor field contains the samples of a pixel that define the default image color in TIFF-FX MRC image data.

The GlobalParametersIFD field is to contain an offset to a child IFD that contains fields with global parameters of the TIFF-FX profile file.

The GlobalParametersIFD field should be written to the first IFD of the TIFF-FX file. The global parameters IFD should contain ProfileType, FaxProfile, CodingMethods, VersionYear, and ModeNumber fields.

See alsoProfileType, FaxProfile, CodingMethods, VersionYear, ModeNumber.

The ProfileType field describes the profile of data in the TIFF file.

See alsoGlobalParametersIFD.

The FaxProfile field describes the TIFF-FX profile of data in the TIFF file.

See alsoGlobalParametersIFD, MultiProfiles.

The CodingMethods field describes the coding methods used on the data in the TIFF-FX file.

See alsoGlobalParametersIFD.

The VersionYear field contains four characters forming the ASCII representation of the TIFF-FX version.

See alsoGlobalParametersIFD.

The ModeNumber field describes the mode of the standard used by the TIFF-FX FaxProfile field.

See alsoGlobalParametersIFD, FaxProfile.

The T82Options field contains options of the ITU-T T.82 (JBIG) coding.

The JPEGProc field defines the JPEG process used to compress the image data, as either baseline sequential or lossless.

The JPEGInterchangeFormat field contains an offset to the beginning of a block of JPEG interchange format data.

See alsoJPEGInterchangeFormatLength.

The JPEGInterchangeFormatLength describes the extent of a block of JPEG interchange format data from the offset of the data.

See alsoJPEGInterchangeFormat.

The JPEGRestartInterval field contains the value of the restart interval of the JPEG coded data.

The JPEGLosslessPredictors field contains a list of the lossless predictor selection values of the JPEG coded data.

The JPEGPointTransforms field contains a list of the point transforms of the JPEG coded data.

The JPEGQTables field contains a list of offsets to quantization tables of the JPEG coded data.

Each table is 64 bytes in extent.

The JPEGDCTables field contains a list of offsets to Huffman DC tables of the JPEG coded data.

The extent of each is 16 bytes plus the sum of the values in those 16 bytes.

The JPEGACTables field contains a list of offsets to Huffman AC tables of the JPEG coded data.

The extent of each is 16 bytes plus the sum of the values in those 16 bytes.

The YCbCrCoefficients fields specifies three fractions that represent the coefficients used to generate the luminance channel, Y, of YCbCr data, from RGB data.

The YCbCrSubSampling field contains a value for both of two chromaticity components that describes the horizontal subsampling frequency and the vertical subsampling frequency, horizontal in the first value and vertical in the second value.

The YCbCrPositioning field describes whether the chrominance channels are centered among the luminance channels or cosited upon subsampling of the chrominance channels.

The ReferenceBlackWhite field contains two values for each of three primaries that specify headroom and footroom values for each of three primaries (channels).

The StripRowCounts field contains a count for each strip of the number of rows in that strip for use with TIFF-FX MRC data, which can have a variable number of row per strip.

If the StripRowCounts field is present then the RowsPerStrip field is to not be.

The XMLPacket field contains embedded XMP (XML/RDF) metadata about the information.

The USPTO Miscellaenous field is by default blank.

The ImageID tag contains a filename or other identifier of the high resolution original of this image.

See alsoOPIProxy.

The WangAnnotation field contains the content of data structures that define annotations to the image per the Wang/Eastman/Kodak/eiStream annotation specification.

The WangTag field contains some information put into TIFF files by Wang Imaging software.

The CFARepeatPatternDim field contains two values representing the minimum rows and columns to define the repeating patterns of the color filter array.

See alsoCFAPattern, SensingMethod.

The CFAPattern field contains a description of the color filter array geometric pattern for interleaving of sampling channels.

The BatteryLevel field contains a value of the battery level as a fraction or string.

The Copyright field contains copyright information of the interpreted image data.

GEDI standard, gedistand99.pdf, page 39, has value being 0x0828.

The ExposureTime field contains how many seconds the frame was exposed.

The FNumber field contains the F number of the picture.

The IPTCNAA field contains an IPTC/NAA record.

Also called Georeferencing.

The Site field contains the location of where the image was originated or converted to TIFF/IT.

The ColorSequence field is a string where each letter signifies a color to be assigned to a component.

The IT8Header field contains null-separated headers from ISO 10755, ISO 10756, and ISO 10759.

The RasterPadding field describes the padding of data to byte, word, long word, sector, or double sector.

When applied to line interleaved data, the padding applies to each color instead of each line.

See alsoPhotometricInterpretation.

The BitsPerRunLength field contains how many bits are required to represent the short run of the run length encoding of the TIFF/IT LW (line work) data.

See alsoBitsPerExtendedRunLength.

The BitsPerRunLength field contains how many bits are required to represent the long run of the run length encoding of the TIFF/IT LW (line work) data.

See alsoBitsPerRunLength.

The ColorTable field contains a color identifier and transparency information for separated line work images.

The ImageColorIndicator field describes whether the image or foreground color is in the binary image or the monochrome continuous tone image.

See alsoBackgroundColorIndicator.

The BackgroundColorIndicator field describes whether the image or background color is in the binary image or the monochrome continuous tone image.

See alsoImageColorIndicator.

The ImageColorValue describes the foreground color of a TIFF/IT BP or BL bitmap.

The BackgroundColorValue describes the background color of a TIFF/IT BP or BL bitmap.

The PixelIntensityRange is similar to DotRange for a TIFF/IT MP image.

The TransparencyIndicator field denotes whether transparency information is within TIFF/IT HC data.

The ColorCharacterization fields describes colors per ISO 12641, ISO 12642, and ANSI CGATS.15.

The HCUsage field defines the type of information in the TIFF/IT HC file.

The KodakIPTC field contains an IPTC/NAA record.

The Photoshop field contains information embedded by the Adobe Photoshop application.

The ExifIFD field contains an offset to a sub-IFD containing Exif (digital camera) information.

The InterColorProfile field contains an InterColor Consortium (ICC) format color space characterization/profile.

The TIFF-FXExtensions field describes extensions used.

See alsoGlobalParametersIFD.

The MultiProfiles field describes multiple profiles used.

See alsoGlobalParametersIFD, FaxProfile, TIFF-FXExtensions.

The SharedData field cotains an offset to the TIFF-FX Extension share data block within the file.

See alsoGlobalParametersIFD.

The T88Options field contains options of the ITU-T T.88 (JBIG2) coding.

The ImageLayer field contains two values, one to describe of which of the three TIFF-FX MRC layers this image component is a part, the second is the order in that the image component is to be composited.

Also called ProjectionInfoTag, CoordSystemInfoTag.

The ExposureProgram field describes the exposure setting program condition of the picture.

The SpectralSensitivity field contains a description of the sensitivity of each channel of the image data according to ASTM standards.

The GPSInfoIFD field contains an offset to a sub-IFD containing GPS (Global Positioning System) information.

The ISOSpeedRatings field contains the ISO speed or ISO latitude of the camera as specified by ISO 12232.

The OECF field contains a specification of an opto-electronic conversion function as specified by ISO 14524.

The Interlace field contains a value that describes the vertical and horizontal field of multiple field TIFF/EP images.

The TimeZoneOffset contains the time zone offset in hours from GMT for the DateTimeOriginal field and optionally the DateTime field of the TIFF/EP image.

The SelfTimerMode field contains the number of seconds from when the plunger was depressed that the camera fired, or zero for no delay.

The DateTimeOriginal field contains 20 ASCII characters in the form "YYYY:MM:DD HH:MM:SS" indicating the data and time when the image data was sampled.

The CompressedBitsPerPixel field contains TIFF/EP data compression information.

The ShutterSpeedValue contains the shutter speed in APEX units of the TIFF/EP image.

The ApertureValue field contains the APEX unit valued lens aperture.

The BrightnessValue field contains the APEX unit valued brightness.

The ExposureBiasValue field contains the APEX unit valued exposure bias.

The MaxApertureValue field contains the APEX unit valued minimum F number of the lens.

The SubjectDistance field contains the distance from the camera to the picture's subject, in meters.

The MeteringMode field describes the metering mode of the camera.

The LightSource field describes the light source conditions of the picture.

The Flash field describes the use of strobe flash with the picture.

The FocalLength field contains the focal length in millimeters of the lens.

The FlashEnergy field contains the power of the strobe flash in BCPS, beam candlepower seconds, units.

The SpatialFrequencyResponse field contains the device spatial frequency response table and values for the picture per ISO 12233.

The Noise field contains a measurement of the noise value of the TIFF/EP image.

The FocalPlaneXResolution field contains the focal plane column resolution in FocalPlaneResolutionUnits units.

The FocalPlaneXResolution field contains the focal plane row resolution in FocalPlaneResolutionUnit units.

The FocalPlaneResolutionUnit field describes the focal plane resolution unit.

The ImageNumber fields contains an identifier assigned to an image in a TIFF/EP file.

The SecurityClassification field contains either a single ASCII character or an ASCII string describing the security classification of the image per the NITF specification (MIL-STD-2500).

The ImageHistory field contains a description of modifications to the TIFF/EP image.

The SubjectLocation field contains two coordinate values into the image of the pixel of the subject location in the picture.

The ExposureIndex field contains the camera exposure index setting.

The TIFFEPStandardID field contains four ASCII characters representing the TIFF/EP standard version of a TIFF/EP file, eg '1', '0', '0', '0'.

The SensingMethod field describes the sensors that capture the image of the picture.

The CIP3DataFile field contains a string that is to be intepreted as the filename of a CIP3 PPF file, as a field of a TIFF/IT FP IFD.

The CIP3Sheet field contains a string that references the sheet to use in a multiple sheet PPF file, as a field of a TIFF/IT FP IFD.

The CIP3Side field describes which side of a PPF sheet is to be used, as a field of a TIFF/IT FP IFD.

The ImageSourceData field contains information embedded by the Adobe Photoshop application.

The USPTO OriginalContentType field describes the original content type of the image.

The DNGVersion contains four bytes containing the numeric value of the file's conformance version level to the DNG (Digital Negative) specification.

The DNGBackwardsVersion field contains four bytes containing the numeric value of the file's conformance version level to a DNG (Digital Negative) specification.

The UniqueCameraModel field contains a null-terminated ASCII string noting the camera model.

The LocalizedCameraModel field contains a null-terminated ASCII string or a Unicode string noting the camera model.

The CFAPlaneColor fields contains a list of zero-based digits indicating the order of the color planes of the color filter array pattern for the LinearRaw photometric interpretation.

The CFALayout field denotes the spatial layout of the color filter array.

The LinearizationTable field contains a lookup table (LUT) that maps data values of the samples of the image to non-linear values.

The BlackLevelRepeatDim field contains two values, one each for rows and columns of the black level tag.

See alsoBlackLevel.

The BlackLevel field contains the "zero light" or thermal black encoding level, as a repeating pattern.

The values are stored in row-column-sample scan order.

The BlackLevelDeltaH field encodes the per-column difference of the "zero light" level.

The BlackLevelDeltaV field encodes the per-row difference of the "zero light" level.

The WhiteLevel field contains the fully-saturated encoding level for the raw samples, per sample.

The DefaultScale field contains a pair of scale factors for cameras with non-square pixels.

The DefaultCropOrigin field contains a pair of coordinates the mark the origin, in raw image coordinates.

The DefaultCropSize field contains a pair of coordinates that mark the extent, in raw image coordinates.

The ColorMatrix1 field contains a transformation matrix to convert CIE XYZ values to reference camera native color space values, under the illuminant specified as CalibrationIlluminant1.

The matrix values are stored in row scan order.

See alsoCalibrationIlluminant1.

The ColorMatrix2 field contains a transformation matrix to convert CIE XYZ values to reference camera native color space values, under the illuminant specified as CalibrationIlluminant2.

The matrix values are stored in row scan order.

See alsoCalibrationIlluminant2.

The CameraCalibration1 field contains a transformation matrix to convert reference camera native color space values to individual camera native color space samples, under the illuminant specified as CalibrationIlluminant1.

The matrix is stored in row scan order.

See alsoCalibrationIlluminant1.

The CameraCalibration2 field contains a transformation matrix to convert reference camera native color space values to individual camera native color space samples, under the illuminant specified as CalibrationIlluminant2.

The matrix is stored in row scan order.

See alsoCalibrationIlluminant2.

The ReductionMatrix1 contains a dimensionality reduction matrix for use as the first stage of converting camera native color space values to CIE XYZ, under the illuminant specified as CalibrationIlluminant1.

See alsoCalibrationIlluminant1.

The ReductionMatrix2 contains a dimensionality reduction matrix for use as the first stage of converting camera native color space values to CIE XYZ, under the illuminant specified as CalibrationIlluminant2.

See alsoCalibrationIlluminant2.

The AnalogBalance field contains the gain values applied to white balance.

The AsShotNeutral fields contains the neutral white balance color in linear reference color space values.

The AsShotWhiteXY field contains xy chromaticity coordinates of the white balance.

The BaselineExposure field contains the zero point for footroom, in EV units.

The BaselineNoise fields contains the relative noise of a camera at ISO 100 compared to the noise of a reference camera model.

The BaselineSharpness field contains the relative sharpening required for the camera model, compared to that of a reference camera model.

The BayerGreenSplit field contains a value in arbitrary units relating the tracking of the green pixels of the blue/green rows to those in red/green rows, only in color filter arrays using a Bayer pattern filter array.

The LinearResponseLimit field specifies the range of linear sensor response.

The CameraSerialNumber contains the serial number of the camera or camera body.

The LensInfo field contains values describing the focal length and F-stop of the lens used.

The first and second values specify minimum and maximum focal length in millimeters, the third and fourth values specify minimum and maximum F-stop at minimum and maximum focal length and maximum and minimum aperture.

The ChromaBlurRadius field contains a value specifying the chroma blur area.

The AntiAliasStrength field denotes the relative strength of the camera's anti-alias filter, from 0.0 (no anti-aliasing filter) to 1.0 (effective anti-alias filter).

The DNGPrivateData field contains private data.

The MakerNoteSafety field denotes whether it is safe to copy the meaningful contents of the MakerNote in editing the file.

The CalibrationIlluminantField1 field denotes the light source for the first calibration set.

See alsoLightSource, ColorMatrix1, CameraCalibration1, ReductionMatrix1.

The CalibrationIlluminantField1 field denotes the light source for the second calibration set.

See alsoLightSource, ColorMatrix2, CameraCalibration2, ReductionMatrix2.

The BestQualityScale field contains a value to scale the default scale factors for improved quality.

The AliasLayerMetadata field contains information per the Alias Systems Multi-Layer TIFF specification.

See alsoSoftware, HostComputer, PageName, XPosition, YPosition.

The ExposureTime field contains how many seconds the frame was exposed.

The FNumber field contains the F number of the picture.

The ExposureProgram field describes the exposure setting program condition of the picture.

The SpectralSensitivity field contains a description of the sensitivity of each channel of the image data according to ASTM standards.

The ISOSpeedRatings field contains the ISO speed or ISO latitude of the camera as specified by ISO 12232.

The OECF field contains a specification of an opto-electronic conversion function as specified by ISO 14524.

The Exif version field contains the four ASCII characters "0210" to indicate Exif 2.1 conformance, or "0220" for Exif 2.2 conformance.

The DateTimeOriginal field contains 20 ASCII characters in the form "YYYY:MM:DD HH:MM:SS" indicating the date and time when the image data was sampled.

The DateTimeDigitized field contains 20 ASCII characters in the form "YYYY:MM:DD HH:MM:SS" indicating the date and time when the image data was digitized to file.

The ComponentsConfiguration fields defines the order of components per the photometric interpretation, for describing other than default orders for RGB, CMYK, or YCbCr components.

The CompressedBitsPerPixel field contains Exif data compression information.

The ShutterSpeedValue field contains the APEX shutter speed setting.

The ApertureValue field contains the APEX unit valued lens aperture.

The BrightnessValue field contains the APEX unit valued brightness.

The ExposureBiasValue field contains the APEX unit valued exposure bias.

The MaxApertureValue field contains the APEX unit valued minimum F number of the lens.

The SubjectDistance field contains the distance from the camera to the picture's subject, in meters.

The MeteringMode field describes the metering mode of the camera.

The LightSource field describes the light source conditions of the picture.

The Flash field describes the use of strobe flash with the picture.

The FocalLength field contains the focal length in millimeters of the lens.

The SubjectArea field contains a number of coordinates to describe either a point, sphere, or rectangle of the main subject area of the picture.

The MakerNote field contains information specific to the digital camera manufacturer.

The UserComment field contains a user comment.

The first eight bytes of the user comment data indicate the character encoding of the remaining comment data.

The SubSecTime field contains an ASCII string of as many significant digits as there are of the decimal fractions of a second associated with the DateTime field.

The SubSecTime field contains an ASCII string of as many significant digits as there are of the decimal fractions of a second associated with the DateTimeOriginal field.

The SubSecTime field contains an ASCII string of as many significant digits as there are of the decimal fractions of a second associated with the DateTimeDigitized field.

The FlashPixVersion field contains the conformance level to FlashPix interoperability, conformance to FlashPix 1.0 is indicated by the four ASCII characters "0100".

The ColorSpace field describes whether the Exif file uses the sRGB color space or is uncalibrated.

The PixelXDimension field contains the number of imaged data sample columns in compressed data where there may be padding beyond the imaged width.

See alsoPixelYDimension.

The PixelYDimension field contains the number of imaged data sample rows in compressed data.

See alsoPixelYDimension.

The RelatedSoundFile field contains an ASCII filename of a sound file related to the image.

The InteroperabilityIFD field contains an offset to an IFD structure containing interoperability information.

The FlashEnergy field contains the power of the strobe flash in BCPS, beam candlepower seconds, units.

The SpatialFrequencyResponse field contains the device spatial frequency response table and values for the picture per ISO 12233.

The FocalPlaneXResolution field contains the focal plane column resolution in FocalPlaneResolutionUnits units.

The FocalPlaneXResolution field contains the focal plane row resolution in FocalPlaneResolutionUnit units.

The FocalPlaneResolutionUnit field describes the focal plane resolution unit.

The SubjectLocation field contains two coordinate values into the image of the pixel of the subject location in the picture.

The ExposureIndex field contains the camera exposure index setting.

The SensingMethod field describes the sensors that capture the image of the picture.

The FileSource field describes the source of the image data of this picture.

The SceneType field describes the picture-taking conditions of the Exif picture.

The CFAPattern field contains a description of the color filter array geometric pattern for interleaving of sampling channels.

See alsoSensingMethod.

The CustomRendering field describes whether the picture data has been custom rendered for the output.

The ExposureMode field describes the exposure mode (auto exposure, manual exposure, auto bracketing) of the picture or picture sequence.

The WhiteBalance field describes the white balance mode of the picture, auto or manual.

The DigitalZoomRatio field contains the digital zoom ratio of the picture. If the numerator of the field value is zero then digital zoom was not used.

The FocalLengthIn35mmFilm field contains the equivalent of the lens focal length to a 35mm film camera lens.

The SceneCaptureType field describes the scene type in terms of standard, landscape, portrait, night scene, etcetera.

The GainControl field describes the image gain adjustment of the picture.

The Contrast field describes the contrast adjustment on the picture.

The Saturation field describes the saturation processing on the picture.

The Sharpness field describes the sharpness processing on the picture.

The DeviceSettingDesciption field contains a list of device setting descriptions of the picture-taking condition of the camera.

The SubjectDistanceRange field describes the distance range of the picture subject.

The ImageUniqueID field contains a null terminated ASCII string of hexadecimal representation of an 128 bit unique identifier of the picture.

The Gamma field contains an value between 0 and 1 indiciating the normalized gamma coefficient.

The InteroperabilityIndex field contains information about the Exif interoperability rules.

The GPSVersionID fields contains four bytes that represent a version number x.x.x.x. The values are the numeric values of the bytes.

The GPSLatitudeRef field contains an ASCII null-terminated string of "N" for north or "S" for south.

The GPSLatitude field contains three values, one each for degrees, minutes, and seconds.

The GPSLongitudeRef field contains an ASCII null-terminated string of "E" for east or "W" for west.

The GPSLongitude field contains three values, one each for degrees, minutes, and seconds.

The GPSAltitudeRef contains a value that describes the altitude reference. The default and only defined value is SeaLevel == 0.

The GPSAltitude field contains the value in meters of altitude from the altitude reference.

The GPSTimeStamp field contains three values representing hours, minutes, and seconds of a UTC timestamp.

The GPSSatellites field contains information about the satellites that provided the GPS information.

The GPSStatus field contains an ASCII null-terminated string of "A" for acquisition or "V" for received.

The GPSMeasureMode field contains an ASCII null-terminated string of "2" for 2-dimensional measurement or "3" for 3-dimensional measurement.

The GPSDOP field contains an HDOP for 2-dimensional precision or a PDOP for 3-dimensional precisio.

The GPSSpeedRef field contains an ASCII null-terminated string of "K" for kilometers per hour, "M" for miles per hour, or "N" for knots. The default is "K".

The GPSSpeed field contains the speed of the receiver movement.

The GPSTrackRef field contains an ASCII null-terminated string of "T" for true direction or "M" for magnetic direction.

The GPSTrack field contains a value between 0 and 359.99 indicating the direction of GPS receiver movement.

The GPSImgDirectionRef field contains an ASCII null-terminated string of "T" for true direction or "M" for magnetic direction.

The GPSImgDirection field contains a value between 0 and 359.99 indicating the direction of GPS receiver movement.

The GPSMapDatum field contains the geodetic survey data used by the GPS receiver.

The GPSDestLatitudeRef field contains an ASCII null-terminated string of "N" for north or "S" for south.

The GPSDestLatitude field contains three values, one each for degrees, minutes, and seconds.

The GPSDestLongitudeRef field contains an ASCII null-terminated string of "E" for east or "W" for west.

The GPSDestLongitude field contains three values, one each for degrees, minutes, and seconds.

The GPSDestBearingRef field contains an ASCII null-terminated string of "T" for true direction or "M" for magnetic direction.

The GPSDestBearing field contains a value between 0 and 359.99 indicating the direction of the destination bearing.

The GPSDestDistanceRef field contains an ASCII null-terminated string of "K" for kilometers, "M" for miles, or "N" for knots. The default is "K".

The GPSDestDistance field contains the distance to the destination point.

The GPSProcessingMethod field contains a character string recording the name of the GPS area. The first byte is a code reflecting the character set, the remaining bytes represent the string content, there is no necessary null termination.

The GPSAreaInformation field contains a character string recording the name of the GPS area. The first byte is a code reflecting the character set, the remaining bytes represent the string content, there is no necessary null termination.

The GPSDateStamp field contains an ASCII string representing a UTC time in the form "YYYY:MM:DD".

The GPSDifferential field describes whether differential correction is applied to the GPS receiver.