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EXIF Canon data incomplete

340 Views 13 Replies Latest reply: Feb 6, 2014 12:19 PM by JohnZonie RSS
JohnZonie Level 1 Level 1 (30 points)
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Feb 4, 2014 8:34 PM

Hi,

 

Using a Canon 5DIII and there are missing EXIF fields. One of particular interest at the moment is the autofocus Microadjustment value. There may be others missing but this one stands out. Does anyone know of any way to get a more complete display of EXIF data?

 

Thanks.

iMac, OS X Mavericks (10.9), Parallels for XP, Win7-64, Win8-64
  • Frank Caggiano Level 7 Level 7 (22,785 points)
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    Feb 5, 2014 5:21 AM (in response to JohnZonie)

    Exif data and Aperture have always had a bumpy relationship. Pretty much apart from the obvious universal fields the rest are hit or miss (mostly miss )

     

    With my Canon 40d one of the Canon specific stuff has ever shown up. I'm happy that they finally got the lens right (a Tamron that has ben reported as any number of different lenses over the years).

     

    If you are interested and really need specific fields not shown  you will have to get to them outside of Aperture, either before importing or after if the originals are stored as referenced.

     

    The best tool for this is ExifTool by Phil Harvey It is a command line tool (there are some GUI frontends for it if you really need to go that way) that will do just about anything you could want to do to a digital image file.

     

    You could get the fields you want using Exiftool and add the data into the image in a number of ways, as a comment, tag or as a custom field.

     

    regards

  • Frank Caggiano Level 7 Level 7 (22,785 points)
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    Feb 5, 2014 9:33 AM (in response to JohnZonie)

    It would be nice but unfortunately the Exif fields are not standardized across cameras, each manufacturer is free to do with hem what they want.

     

    So any 3rd part software is always going to be t a disadvantage when interpreting the fields. Even within the cameras from a single manufacturer the fields will not be consistent.

     

    Another thought is to use the Canon software to view the exif fields, their software should be correct for their camera.

     

    regards

  • léonie Level 8 Level 8 (46,475 points)
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    Feb 5, 2014 9:47 AM (in response to Frank Caggiano)

    Another thought is to use the Canon software to view the exif fields, their software should be correct for their camera.

    Can you confirm that for your camera? 

     

    I never install the software that comes with the cameras - sometimes it is so old, that it causes panics, when I tried. So I have not installed the camera software for several years.

  • Frank Caggiano Level 7 Level 7 (22,785 points)
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    Feb 5, 2014 9:51 AM (in response to léonie)

    The few times I used at it when I first got it yes it reported the camera specific Exif fields which Aperture missed.

  • léonie Level 8 Level 8 (46,475 points)
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    Feb 5, 2014 10:01 AM (in response to Frank Caggiano)

    Thanks, Frank!

  • Keith Barkley Level 5 Level 5 (5,140 points)
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    Feb 5, 2014 10:09 AM (in response to léonie)

    Canon is good about backward compatibility, you should be able to install the lastest verision and it shoudl support older cameras.

  • léonie Level 8 Level 8 (46,475 points)
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    Feb 5, 2014 10:20 AM (in response to Keith Barkley)

    Thanks, Keith!

  • Frank Caggiano Level 7 Level 7 (22,785 points)
    Currently Being Moderated
    Feb 5, 2014 12:46 PM (in response to JohnZonie)

    You should still give Exiftool a shoot.

     

    If nothing else it would be interesting to see if the data right from the Exif in the image conflicts with what the Canon software reports.

  • Keith Barkley Level 5 Level 5 (5,140 points)
    Currently Being Moderated
    Feb 6, 2014 8:28 AM (in response to JohnZonie)

    It could be that different cameras use different units but the EXIF is normalized to a particular unit.

     

    For example, the camera might report counts, but change that to millimeters when reporting to the EXIF.

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