Composite Tags

The values of the composite tags are derived from the values of other tags. These are convenience tags which are calculated after all other information is extracted.
Tag Name WritableDerived FromValues / Notes
Aperture N FNumber
ApertureValue
 
BlueBalance N WB_RGGBLevels
WB_RGBGLevels
WB_RBGGLevels
WB_GRBGLevels
WB_RBLevels
WB_BlueLevel
WB_GreenLevel
 
CFAPattern N CFARepeatPatternDim
CFAPattern2
 
CircleOfConfusion N ScaleFactor35efl (this value may be incorrect if image has been resized. Calculated as D/1440, where D is the focal plane diagonal in mm)
ConditionalFEC N FlashExposureComp
FlashBits
 
DOF N FocusDistance
FocalLength
Aperture
CircleOfConfusion
(this value may be incorrect if image has been resized)
DateCreated N Kodak:YearCreated
Kodak:MonthDayCreated
 
DateTimeCreated N DateCreated
TimeCreated
 
DateTimeOriginal N DateTimeCreated  
DriveMode N ContinuousDrive
Self-timer
0 = Continuous shooting
1 = Self-timer Operation
2 = Single-frame shooting
Duration N FrameRate
FrameCount
 
EV N Aperture
ShutterSpeed
ISO
 
ExtenderStatus N Olympus:Extender
Olympus:LensType
MaxApertureValue
(Olympus cameras have the quirk that they may retain the extender settings after the extender is removed until the camera is powered off. This tag is an attempt to represent the actual status of the extender.)
0 = Not attached
1 = Attached
2 = Removed
FlashOn N FlashBits
Flash
0 = Off
1 = On
FlashType N FlashBits 0 = Built-In Flash
1 = External
FocalLength35efl N FocalLength
ScaleFactor35efl
(this value may be incorrect if image has been resized)
GPSDateTime N GPSDateStamp
GPSTimeStamp
 
GPSPosition N GPSLatitude
GPSLongitude
GPSLatitudeRef
GPSLongitudeRef
 
HyperfocalDistance N FocalLength
Aperture
CircleOfConfusion
(this value may be incorrect if image has been resized)
ISO N Canon:CameraISO
Canon:ShotISO
Canon:AutoISO
 
ImageHeight N PostScript:ImageData
PostScript:BoundingBox
 
ImageSize N ImageWidth
ImageHeight
 
ImageWidth N PostScript:ImageData
PostScript:BoundingBox
 
JpgFromRaw Y JpgFromRawStart
JpgFromRawLength
 
Lens N ShortFocal
LongFocal
FocalUnits
 
Lens35efl N ShortFocal
LongFocal
FocalUnits
Lens
ScaleFactor35efl
 
LensID N Nikon:LensIDNumber
LensFStops
MinFocalLength
MaxFocalLength
MaxApertureAtMinFocal
MaxApertureAtMaxFocal
MCUVersion
Nikon:LensType
--> Nikon LensID
LensSpec N Nikon:Lens
Nikon:LensType
 
PreviewImage Y PreviewImageStart
PreviewImageLength
PreviewImageValid
 
PreviewImageSize N PreviewImageWidth
PreviewImageHeight
 
PreviewImage N ScreenNail  
RedBalance N WB_RGGBLevels
WB_RGBGLevels
WB_RBGGLevels
WB_GRBGLevels
WB_RBLevels
WB_RedLevel
WB_GreenLevel
 
RedEyeReduction N CanonFlashMode
FlashBits
0 = Off
1 = On
ScaleFactor35efl N FocalLength
FocalLengthIn35mmFormat
FocalPlaneDiagonal
FocalPlaneXSize
FocalPlaneYSize
FocalPlaneResolutionUnit
FocalPlaneXResolution
FocalPlaneYResolution
CanonImageWidth
CanonImageHeight
ExifImageWidth
ExifImageLength
ImageWidth
ImageHeight
(this value and any derived values may be incorrect if image has been resized)
ShootingMode N CanonExposureMode
EasyMode
 
ShutterCurtainHack N FlashBits
ShutterCurtainSync
0 = 1st-curtain sync
1 = 2nd-curtain sync
ShutterSpeed N ExposureTime
ShutterSpeedValue
BulbDuration
 
SubSecDateTimeOriginal N DateTimeOriginal
SubSecTimeOriginal
 
ThumbnailImage Y ThumbnailOffset
ThumbnailLength
 
WB_RGGBLevels N Canon:WhiteBalance
WB_RGGBLevelsAsShot
WB_RGGBLevelsAuto
WB_RGGBLevelsDaylight
WB_RGGBLevelsCloudy
WB_RGGBLevelsTungsten
WB_RGGBLevelsFluorescent
WB_RGGBLevelsFlash
WB_RGGBLevelsCustom
WB_RGGBLevelsShade
WB_RGGBLevelsKelvin
 

<-- ExifTool Tag Names


(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Sep 1, 2006