EXIF inspector
Waitman Gobble
gobble.wa at gmail.com
Sat Aug 25 15:58:52 UTC 2012
On Fri, Aug 24, 2012 at 9:47 PM, Gary Aitken <freebsd at dreamchaser.org>wrote:
> On 08/24/12 14:54, Bernt Hansson wrote:
> > 2012-08-24 17:14, Gary Aitken skrev:
> >> On 08/24/12 05:05, Bernt Hansson wrote:
> >>> 2012-08-23 19:14, Gary Aitken skrev:
> >>>
> >>>> On 08/23/12 08:38, Polytropon wrote:
> >>>>> On Thu, 23 Aug 2012 00:00:08 -0600, Gary Aitken wrote:
> >>>>>> For the photo folks --
> >>>>>>
> >>>>>> What do you use for inspecting EXIF data?
> >>>>>> I've tried
> >>>>>> exif
> >>>>>> exiftags
> >>>>>> exifprobe
> >>>>>> and none of them show the full compliment of tags present on my oly
> pen-ep3.
> >>>>>> In particular, they omit most of the vendor specific stuff,
> >>>>>> and they seem to display different parts of things, but not
> everything.
> >> ...
> >>>> bah --
> >>>> exif doesn't report all the tags
> >>>
> >>> Try exif -l filename and it will show you all exif fields and the
> fields that's in the picture.
> >>>
> >>> From man exif
> >>>
> >>> -l, --list-tags
> >>> List all known EXIF tags and IFDs. A JPEG image must be
> pro-
> >>> vided, and those tags which appear in the file are shown with
> an
> >>> asterisk in the corresponding position in the list.
> >>
> >> exif appears to list only "known" exif tags, and seems to omit vendor
> specific
> >> information. Much of the important information about an image is
> stored in the
> >> vendor specific tags.
> >
> > exif -'|' filename show the camera vendors stuff
> >
> > kw# exif -'|' IMG_0657.JPG
> > MakerNote contains 109 values:
> > Macro Mode |Normal
> > Self-timer |Off
> ...
> >
> >> In the case of my oly pen-ep3, exif -l lists 143 known exif tags,
> >> of which only 49 are used by my camera. However, exiv2 shows over
> >> 300 pieces of relevant information which actually appear, and well over
> 100
> >> I can identify as relevant to the particular image (the others may or
> may not
> >> be relevant, I just can't interpret them; some are unlabelled).
>
> Perhaps it depends on the camera; or perhaps Canon puts all of the
> additional
> information in the MakerNote. For my oly, the MakerNote contains next to
> nothing:
>
> %exif -'|' Bird_0001B_20111214_300mm_IS_30s_Flicker.jpg
> MakerNote contains 7 values:
> Speed/Sequence/Panor|Normal/0/0
> Camera ID |OLYMPUS DIGITAL CAMERA
> Unknown Tag |
> Unknown Tag |
> Unknown Tag |
> Unknown Tag |
> Unknown Tag |
>
> Another possibility is you are missing some info you aren't aware of.
> I'm curious to know if Canon stashes things in other places;
> I know nikon does similar to the way oly does as reported below;
> exiv2 -u -p a on a nikon raw file shows 112 nikon specific values.
>
> %man exif
> ...
> As EXIF tags are read, any unknown ones are discarded...
>
> %exiv2 -u -p a Bird_0001B_20111214_300mm_IS_30s_Flicker.jpg
> Exif.Image.ImageDescription Ascii 32 OLYMPUS
> DIGITAL CAMERA
> Exif.Image.Make Ascii 24 OLYMPUS
> IMAGING CORP.
> Exif.Image.Model Ascii 17 E-P3
> Exif.Image.Orientation Short 1 top, left
> Exif.Image.XResolution Rational 1 314
> Exif.Image.YResolution Rational 1 314
> Exif.Image.ResolutionUnit Short 1 inch
> Exif.Image.Software Ascii 32 Version 1.0
> Exif.Image.DateTime Ascii 20 2011:12:14
> 13:46:47
> Exif.Image.Artist Ascii 64 Gary Aitken
> Exif.Image.YCbCrPositioning Short 1 Co-sited
> Exif.Image.Copyright Ascii 64 Dona Aitken
> Exif.Image.ExifTag Long 1 218
> Exif.Photo.ExposureTime Rational 1 1/30 s
> Exif.Photo.FNumber Rational 1 F6.7
> Exif.Photo.ExposureProgram Short 1 Aperture
> priority
> Exif.Photo.ISOSpeedRatings Short 1 640
> Exif.Photo.ExifVersion Undefined 4 2.21
> Exif.Photo.DateTimeOriginal Ascii 20 2011:12:14
> 13:46:47
> Exif.Photo.DateTimeDigitized Ascii 20 2011:12:14
> 13:46:47
> Exif.Photo.ComponentsConfiguration Undefined 4 YCbCr
> Exif.Photo.ExposureBiasValue SRational 1 0 EV
> Exif.Photo.MaxApertureValue Rational 1 F4.8
> Exif.Photo.MeteringMode Short 1 Spot
> Exif.Photo.LightSource Short 1 Cloudy weather
> Exif.Photo.Flash Short 1 Yes, did not
> fire
> Exif.Photo.FocalLength Rational 1 300.0 mm
> Exif.Photo.MakerNote Undefined 10368 (Binary
> value suppressed)
> Exif.MakerNote.Offset Long 1 3208
> Exif.MakerNote.ByteOrder Ascii 3 II
> Exif.Olympus2.SpecialMode Long 3 Normal
> Exif.Olympus2.CameraID Undefined 32 OLYMPUS
> DIGITAL CAMERA
> Exif.Olympus2.Equipment Ifd 1 102
> Exif.OlympusEq.EquipmentVersion Undefined 4 1.00
> Exif.OlympusEq.CameraType Ascii 6 S0032
> Exif.OlympusEq.SerialNumber Ascii 32 B9U504279
> Exif.OlympusEq.InternalSerialNumber Ascii 32
> 4124110000231102
> Exif.OlympusEq.FocalPlaneDiagonal Rational 1 2160/100
> Exif.OlympusEq.BodyFirmwareVersion Long 1 4102
> Exif.OlympusEq.LensType Byte 6 0 0 8 16 0 0
> Exif.OlympusEq.LensSerialNumber Ascii 32 340007174
> Exif.OlympusEq.LensModel Ascii 32 OLYMPUS
> M.75-300mm F4.8-6.7
> Exif.OlympusEq.LensFirmwareVersion Long 1 4096
> Exif.OlympusEq.MaxApertureAtMinFocal Short 1 1159
> Exif.OlympusEq.MaxApertureAtMaxFocal Short 1 1405
> Exif.OlympusEq.MinFocalLength Short 1 75
> Exif.OlympusEq.MaxFocalLength Short 1 300
> Exif.OlympusEq.MaxApertureAtCurrentFocal Short 1 1428
> Exif.OlympusEq.LensProperties Short 1 49472
> Exif.OlympusEq.Extender Byte 6 None
> Exif.OlympusEq.ExtenderSerialNumber Ascii 32
> Exif.OlympusEq.ExtenderModel Ascii 32
> Exif.OlympusEq.ExtenderFirmwareVersion Long 1 0
> Exif.OlympusEq.0x0403 Ascii 32
> Exif.OlympusEq.FlashType Short 1 None
> Exif.OlympusEq.FlashModel Short 1 None
> Exif.OlympusEq.FlashFirmwareVersion Long 1 0
> Exif.OlympusEq.FlashSerialNumber Ascii 32
> Exif.Olympus2.CameraSettings Ifd 1 408
> Exif.OlympusCs.CameraSettingsVersion Undefined 4 1.00
> Exif.OlympusCs.PreviewImageValid Long 1 Yes
> Exif.OlympusCs.PreviewImageStart Long 1 5803244
> Exif.OlympusCs.PreviewImageLength Long 1 565426
> Exif.OlympusCs.ExposureMode Short 1
> Aperture-priority AE
> Exif.OlympusCs.AELock Short 1 Off
> Exif.OlympusCs.MeteringMode Short 1 Spot
> Exif.OlympusCs.ExposureShift SRational 1 0/100
> Exif.OlympusCs.MacroMode Short 1 Off
> Exif.OlympusCs.FocusMode Short 2 MF10
> Exif.OlympusCs.FocusProcess Short 2 AF Used
> Exif.OlympusCs.AFSearch Short 1 Ready
> Exif.OlympusCs.AFAreas Long 64 1902874257 0 0
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Exif.OlympusCs.AFPointSelected SRational 5 0/0 255/510
> 252/510 255/510 252/510
> Exif.OlympusCs.0x0306 Byte 1 0
> Exif.OlympusCs.AFFineTuneAdj SShort 3 0 0 0
> Exif.OlympusCs.FlashMode Short 1 Fill-in
> Exif.OlympusCs.FlashExposureComp SRational 1 0/256
> Exif.OlympusCs.0x0402 Short 1 0
> Exif.OlympusCs.FlashRemoteControl Short 1 Off
> Exif.OlympusCs.FlashControlMode Short 4 Off
> Exif.OlympusCs.FlashIntensity SRational 4 0/0 0/0 0/0 0/0
> Exif.OlympusCs.ManualFlashStrength SRational 4 0/0 0/0 0/0 0/0
> Exif.OlympusCs.WhiteBalance Short 1 6000K (Cloudy)
> Exif.OlympusCs.WhiteBalanceTemperature Short 1 6000
> Exif.OlympusCs.WhiteBalanceBracket SShort 2 0 0
> Exif.OlympusCs.CustomSaturation SShort 3 1 -5 5
> Exif.OlympusCs.ModifiedSaturation Short 1 Off
> Exif.OlympusCs.ContrastSetting SShort 3 0 -5 5
> Exif.OlympusCs.SharpnessSetting SShort 3 0 -5 5
> Exif.OlympusCs.ColorSpace Short 1 sRGB
> Exif.OlympusCs.0x0508 Short 1 0
> Exif.OlympusCs.SceneMode Short 1 Standard
> Exif.OlympusCs.NoiseReduction Short 1
> Exif.OlympusCs.DistortionCorrection Short 1 Off
> Exif.OlympusCs.ShadingCompensation Short 1 Off
> Exif.OlympusCs.CompressionFactor Rational 1 4/1
> Exif.OlympusCs.0x050e Short 1 0
> Exif.OlympusCs.Gradation SShort 4 Normal,
> Auto-Override
> Exif.OlympusCs.PictureMode Short 2 Natural
> Exif.OlympusCs.PictureModeSaturation SShort 3 1 -2 2
> Exif.OlympusCs.PictureModeHue Short 1 0
> Exif.OlympusCs.PictureModeContrast SShort 3 0 -2 2
> Exif.OlympusCs.PictureModeSharpness SShort 3 0 -2 2
> Exif.OlympusCs.PictureModeBWFilter SShort 1 n/a
> Exif.OlympusCs.PictureModeTone SShort 1 n/a
> Exif.OlympusCs.NoiseFilter SShort 3 Off
> Exif.OlympusCs.0x0528 Short 1 0
> Exif.OlympusCs.ArtFilter Short 4 Off
> ...
> Exif.OlympusCs.DriveMode Short 3 0 0 0
> Exif.OlympusCs.PanoramaMode Short 2 0 0
> Exif.OlympusCs.ImageStabilization Long 1 On, Mode 1
> Exif.OlympusCs.0x0800 Short 1 1
> Exif.OlympusCs.ManometerPressure Short 1 0
> Exif.OlympusCs.ManometerReading SLong 2 0 0
> Exif.OlympusCs.ExtendedWBDetect Short 1 Off
> Exif.Olympus2.RawDevelopment Ifd 1 1158
> Exif.OlympusRd.RawDevVersion Undefined 4 1.00
> Exif.OlympusRd.ExposureBiasValue SRational 1 0/1
> Exif.OlympusRd.WhiteBalanceValue Short 1 0
> Exif.OlympusRd.WBFineAdjustment SShort 1 0
> Exif.OlympusRd.GrayPoint Short 3 0 0 0
> Exif.OlympusRd.SaturationEmphasis SShort 3 0 0 0
> Exif.OlympusRd.MemoryColorEmphasis Short 1 0
> Exif.OlympusRd.ContrastValue SShort 3 0 0 0
> Exif.OlympusRd.SharpnessValue SShort 3 0 0 0
> Exif.OlympusRd.ColorSpace Short 1 sRGB
> Exif.OlympusRd.Engine Short 1 High Speed
> Exif.OlympusRd.NoiseReduction Short 1
> Exif.OlympusRd.EditStatus Short 1 Original
> Exif.OlympusRd.Settings Short 1
> Exif.Olympus2.ImageProcessing Ifd 1 1332
> Exif.OlympusIp.ImageProcessingVersion Undefined 4 1.12
> Exif.OlympusIp.WB_RBLevels Short 4 574 362 260 256
> Exif.OlympusIp.ColorMatrix Short 9 372 65448
> 65508 65476 388 65464 6 65396 390
> Exif.OlympusIp.BlackLevel Short 4 64 64 64 65
> Exif.OlympusIp.GainBase Short 1 256
> Exif.OlympusIp.CropLeft Short 2 8 0
> Exif.OlympusIp.CropTop Short 2 8 0
> Exif.OlympusIp.CropWidth Long 1 4032
> Exif.OlympusIp.CropHeight Long 1 3024
> ...
> Exif.OlympusIp.NoiseReduction Short 1
> Exif.OlympusIp.DistortionCorrection Short 1 Off
> Exif.OlympusIp.ShadingCompensation Short 1 Off
> Exif.OlympusIp.0x101b SShort 2 0 0
> Exif.OlympusIp.MultipleExposureMode Short 2 Off
> ...
> Exif.OlympusIp.FaceDetect Long 3 Off
> Exif.OlympusIp.FaceDetectArea Short 192
> ...
> Exif.Olympus2.FocusInfo Ifd 1 2358
> Exif.OlympusFi.FocusInfoVersion Undefined 4 1.00
> ...
> Exif.OlympusFi.AutoFocus Short 1 Off
> ...
> Exif.OlympusFi.SceneDetect Short 1 0
> Exif.OlympusFi.SceneArea Long 8 0 0 0 0 0 0 0
> 2046824464
> Exif.OlympusFi.SceneDetectData Long 720 0 0 0 0 0 0 0
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> ...
> Exif.OlympusFi.ZoomStepCount Short 1 31
> Exif.OlympusFi.FocusStepCount Short 1 556
> Exif.OlympusFi.0x0302 Short 1 4
> Exif.OlympusFi.FocusStepInfinity Short 1 0
> Exif.OlympusFi.FocusStepNear Short 1 0
> Exif.OlympusFi.FocusDistance Rational 1 8365/10
> Exif.OlympusFi.0x0307 Short 1 0
> Exif.OlympusFi.AFPoint Short 1 Left (or n/a)
> ...
> Exif.OlympusFi.ExternalFlash Short 2 Off
> Exif.OlympusFi.0x1202 Short 1 0
> Exif.OlympusFi.ExternalFlashGuideNumber SRational 1 0/1
> Exif.OlympusFi.ExternalFlashBounce Short 1 Bounce or Off
> Exif.OlympusFi.ExternalFlashZoom Rational 1 0/1
> Exif.OlympusFi.0x1206 Short 1 0
> Exif.OlympusFi.0x1207 Short 1 0
> Exif.OlympusFi.InternalFlash Short 1 Off
> Exif.OlympusFi.ManualFlash Short 2 Off 1
> Exif.OlympusFi.0x120a Short 1 0
> Exif.OlympusFi.SensorTemperature SShort 1 317
> Exif.OlympusFi.0x1501 Long 2 0 0
> Exif.OlympusFi.0x1502 Short 1 0
> Exif.OlympusFi.ImageStabilization Undefined 80 33 49 49 0 0
> 147 35 98 2 98 2 245 236 240 237 86 86 151 0 98 0 0 0 1 1 1
> ...
> Exif.Photo.UserComment Undefined 125
>
> Exif.Photo.FlashpixVersion Undefined 4 1.00
> Exif.Photo.ColorSpace Short 1 sRGB
> Exif.Photo.PixelXDimension Long 1 4032
> Exif.Photo.PixelYDimension Long 1 3024
> Exif.Photo.InteroperabilityTag Long 1 686
> Exif.Iop.InteroperabilityIndex Ascii 4 R98
> Exif.Iop.InteroperabilityVersion Undefined 4 1.00
> Exif.Photo.FileSource Undefined 1 Digital still
> camera
> Exif.Photo.CustomRendered Short 1 Normal process
> Exif.Photo.ExposureMode Short 1 Auto
> Exif.Photo.WhiteBalance Short 1 Manual
> Exif.Photo.DigitalZoomRatio Rational 1 1.0
> Exif.Photo.SceneCaptureType Short 1 Standard
> Exif.Photo.GainControl Short 1 High gain up
> Exif.Photo.Contrast Short 1 Normal
> Exif.Photo.Saturation Short 1 High
> Exif.Photo.Sharpness Short 1 Normal
> Exif.Image.PrintImageMatching Undefined 528 (Binary value
> suppressed)
> Exif.Thumbnail.Compression Short 1 JPEG
> (old-style)
> Exif.Thumbnail.XResolution Rational 1 72
> Exif.Thumbnail.YResolution Rational 1 72
> Exif.Thumbnail.ResolutionUnit Short 1 inch
> Exif.Thumbnail.JPEGInterchangeFormat Long 1 13588
> Exif.Thumbnail.JPEGInterchangeFormatLength Long 1 4387
>
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I've always used /usr/ports/graphics/jhead which has seemed to me to show
the most information.... here is a basic comparison.. but the exiv2 is
cool, didn't realize it would work with RAW files.. thanks for that
information!
Waitman Gobble
San Jose California USA
# jhead -v IMG_8203.thumb.jpg
Exif header 1384 bytes long
Exif section in Intel order
(dir has 12 entries)
ImageDescription = "?"
Make = "Canon?"
Model = "EOS REBEL T2i?"
Orientation = 8
XResolution = 300/1
YResolution = 300/1
PlanarConfiguration = 1
ResolutionUnit = 2
Software = "dcraw v9.12?"
DateTime = "2012:07:15 14:23:58"
Artist = "?"
ExifOffset = 294
Exif Dir:(dir has 4 entries)
ExposureTime = 5065/1000000
FNumber = 11313708/1000000
ISOSpeedRatings = 100
FocalLength = 100000000/1000000
Jpeg section marker 0xdb size 132
JPEG image is 5184w * 3456h, 3 color components, 8 bits per sample
Jpeg section marker 0xc4 size 418
File name : IMG_8203.thumb.jpg
File size : 3373614 bytes
File date : 2012:07:15 19:07:52
Camera make : Canon
Camera model : EOS REBEL T2i
Date/Time : 2012:07:15 14:23:58
Resolution : 5184 x 3456
Orientation : rotate 270
Focal length : 100.0mm
Exposure time: 0.0051 s (1/197)
Aperture : f/11.3
ISO equiv. : 100
# exiv2 -v IMG_8203.thumb.jpg
File 1/1: IMG_8203.thumb.jpg
File name : IMG_8203.thumb.jpg
File size : 3373614 Bytes
MIME type : image/jpeg
Image size : 5184 x 3456
Camera make : Canon
Camera model : EOS REBEL T2i
Image timestamp :
Image number :
Exposure time : 1/197 s
Aperture : F11
Exposure bias :
Flash :
Flash bias :
Focal length : 100.0 mm
Subject distance:
ISO speed : 100
Exposure mode :
Metering mode :
Macro mode :
Image quality :
Exif Resolution :
White balance :
Thumbnail : None
Copyright :
Exif comment :
# exiv2 -v IMG_8203.CR2
File 1/1: IMG_8203.CR2
File name : IMG_8203.CR2
File size : 28932682 Bytes
MIME type : image/x-canon-cr2
Image size : 5184 x 3456
Camera make : Canon
Camera model : Canon EOS REBEL T2i
Image timestamp : 2012:07:15 14:23:58
Image number :
Exposure time : 1/200 s
Aperture : F11
Exposure bias : 0 EV
Flash : Yes, compulsory
Flash bias : 0 EV
Focal length : 100.0 mm
Subject distance: 0
ISO speed : 100
Exposure mode : Manual
Metering mode : Multi-segment
Macro mode : Off
Image quality : RAW
Exif Resolution : 5184 x 3456
White balance : Auto
Thumbnail : image/jpeg, 16798 Bytes
Copyright : Copyright 2011 waitman at waitman.net
Exif comment :
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