PentaxLife » Miscellaneous » PENTAX 16-45 and EXIF

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  1. Tracnac
    Member

    Hi,

    Sorry for my stupid question, but did you notice that the lens information for the 16-45 f4 is missing in the exif tag.
    Or it's Adobe Lightroom fault ?
    Any clue how to fix that ?

    By advance thanks.

    Posted: 2007-06-10 17:48:47 #

  2. Vitali
    Key Master

    Did you mean - no focal length data in EXIF?

    Posted: 2007-06-11 13:45:05 #

  3. RunningClam
    Member

    This is lightroom fault, obviously.

    Posted: 2007-06-11 15:52:19 #

  4. Tracnac
    Member

    Yes no LENS information in exif header... I know why it's not a Lightroom problem. Pentax did a change in the latest firmware the tag that containt the lens information upscale from 2 digits to 3 digits.
    I almost resolve this problem with a small program

    Thank you for your help

    Posted: 2007-06-11 21:14:03 #

  5. Vitali
    Key Master

    What program? You've changed EXIF data someway? It's intersting.

    Posted: 2007-06-12 06:00:24 #

  6. Tracnac
    Member

    This program does not exist yet...
    I try to decode the lens file from photo browser... Cause my program generate a XMP file associate with the image file.
    Simple logic :

    1 - Read the exif tag from the image file.
    2 - Translate the hexa code to lens string name.
    3 - Generate a XMP file with the lens description.

    Easy could not make simple...

    Regard.

    Posted: 2007-06-12 08:16:58 #

  7. Tracnac
    Member

    Ah yes another thing... I don't touch the original file.

    Posted: 2007-06-12 08:18:08 #

  8. Tracnac
    Member

    Very nice program...

    All information about Pentax special tags here :

    http://www.sno.phy.queensu.ca/~phil/exiftool/

    Regard.

    Posted: 2007-06-12 12:31:21 #

  9. Vitali
    Key Master

    Thanks, Tracnac.

    Posted: 2007-06-12 14:44:27 #

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