Lists all EXIF tag identifiers.
Values:
| IGMDTAG_ID_EXIF_JPEG_FORMAT | JPEG metadata format identifier. |
| IGMDTAG_ID_EXIF_TIFF_FORMAT | TIF metadata format identifier. |
| IGMDTAG_ID_EXIF_EXPOSURETIME | Exposure time. |
| IGMDTAG_ID_EXIF_FNUMBER | F number value. |
| IGMDTAG_ID_EXIF_EXPOSUREPROGRAM | Exposure program. |
| IGMDTAG_ID_EXIF_SPECTRALSENSITIVITY | Spectral sensitivity. |
| IGMDTAG_ID_EXIF_ISOSPEEDRATING | ISO speed ratings. |
| IGMDTAG_ID_EXIF_OECF | Indicates the Opto-Electric Conversion Function (OECF) specified in ISO 14524. |
| IGMDTAG_ID_EXIF_VERSION | Exif version. |
| IGMDTAG_ID_EXIF_DATETIMEORIGINAL | Date time original. |
| IGMDTAG_ID_EXIF_DATETIMEDIGITIZED | Date time digitized. |
| IGMDTAG_ID_EXIF_COMPONENTCONFIGURATION | Components configuration. |
| IGMDTAG_ID_EXIF_COMPRESSEDBITSPERPIXEL | Compressed bits per pixel. |
| IGMDTAG_ID_EXIF_SHUTTERSPEEDVALUE | Shutter speed value. |
| IGMDTAG_ID_EXIF_APERTUREVALUE | Aperture value. |
| IGMDTAG_ID_EXIF_BRIGHTNESSVALUE | Brightness value. |
| IGMDTAG_ID_EXIF_EXPOSUREBIASVALUE | Exposure bias value. |
| IGMDTAG_ID_EXIF_MAXAPERTUREVALUE | Max aperture value. |
| IGMDTAG_ID_EXIF_SUBJECTDISTANCE | Subject distance. |
| IGMDTAG_ID_EXIF_MATERINGMODE | Metering mode. |
| IGMDTAG_ID_EXIF_METERINGMODE | Metering mode. |
| IGMDTAG_ID_EXIF_LIGHTSOURCE | Light source. |
| IGMDTAG_ID_EXIF_FLASH | Indicates whether or not flash used when the image was captured. |
| IGMDTAG_ID_EXIF_FOCALLENGTH | Focal length. |
| IGMDTAG_ID_EXIF_SUBJECTAREA | Subject area. |
| IGMDTAG_ID_EXIF_MAKERNOTE | Maker note. |
| IGMDTAG_ID_EXIF_USERCOMMENT | User comment. |
| IGMDTAG_ID_EXIF_SUBSECTIME | Sub sec time. |
| IGMDTAG_ID_EXIF_SUBSECTIMEORIGINAL | Sub sec time original. |
| IGMDTAG_ID_EXIF_SUBSECTIMEDIGITIZED | Sub sec time digitized. |
| IGMDTAG_ID_EXIF_FLASHPIXVERSION | Flash pix version. |
| IGMDTAG_ID_EXIF_COLORSPACE | Color space. |
| IGMDTAG_ID_EXIF_PIXELXDIMENSION | Pixel X dimension. |
| IGMDTAG_ID_EXIF_PIXELYDIMENSION | Pixel Y dimension. |
| IGMDTAG_ID_EXIF_RELATEDSOUNDFILE | Related sound file. |
| IGMDTAG_ID_EXIF_INTEROPERABILITYIFD | Interoperability IFD pointer. |
| IGMDTAG_ID_EXIF_FLASHENERGY | Flash energy. |
| IGMDTAG_ID_EXIF_SPATIALFREQUENCYRESPONSE | Spatial frequency response. |
| IGMDTAG_ID_EXIF_FOCALPLANEXRESOLUTION | Focal plane X resolution. |
| IGMDTAG_ID_EXIF_FOCALPLANEYRESOLUTION | Focal plane Y resolution. |
| IGMDTAG_ID_EXIF_FOCALPLANERESOLUTIONUNIT | Focal plane resolution unit. |
| IGMDTAG_ID_EXIF_SUBJECTLOCATION | Subject location. |
| IGMDTAG_ID_EXIF_EXPOSUREINDEX | Exposure index. |
| IGMDTAG_ID_EXIF_SENSINGMETHOD | Sensing method. |
| IGMDTAG_ID_EXIF_FILESOURCE | File source. |
| IGMDTAG_ID_EXIF_SCENETYPE | Scene type. |
| IGMDTAG_ID_EXIF_CFAPATTERN | CFA pattern. |
| IGMDTAG_ID_EXIF_CUSTOMRENDERED | Custom rendered. |
| IGMDTAG_ID_EXIF_EXPOSUREMODE | Exposure mode. |
| IGMDTAG_ID_EXIF_WHITEBALANCE | White balance. |
| IGMDTAG_ID_EXIF_DIGITALZOOMRATIO | Digital zoom ratio. |
| IGMDTAG_ID_EXIF_FOCALLENGTHIN35MMFILM | Focal length in 35mm film. |
| IGMDTAG_ID_EXIF_SCENECAPTURETYPE | Scene capture type. |
| IGMDTAG_ID_EXIF_GAINCONTROL | Gain control. |
| IGMDTAG_ID_EXIF_CONTRAST | Indicates the direction of contrast processing applied by the camera when the image was shot. |
| IGMDTAG_ID_EXIF_SATURATION | Indicates the direction of saturation processing applied by the camera when the image was shot. |
| IGMDTAG_ID_EXIF_SHARPNESS | Indicates the direction of sharpness processing applied by the camera when the image was shot. |
| IGMDTAG_ID_EXIF_DEVICESETTINGDESCRIPTION | Device setting description. |
| IGMDTAG_ID_EXIF_SUBJECTDISTANCERANGE | Subject distance range. |
| IGMDTAG_ID_EXIF_IMAGEUNIQUEID | Indicates an identifier assigned uniquely to each image. |
| IGMDTAG_ID_EXIF_HEADER | This enumeration value is for internal use only. |