[Digikam-devel] [digikam] [Bug 354887] New: ISO speed rating missing after DNG conversion

[Sander van der Heijden via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=354887

            Bug ID: 354887
           Summary: ISO speed rating missing after DNG conversion
           Product: digikam
           Version: 4.12.0
          Platform: Kubuntu Packages
               URL: https://drive.google.com/folderview?id=0B0uPI0_kOOJXSH
                    FQYmdwLTZWdXM&usp=sharing
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Metadata
          Assignee: digikam-devel at kde.org
          Reporter: smvdheijden at gmail.com

When converting a CR2 image from my Canon EOS 60D to DNG in some cases the ISO
speed ratings are missing in the EXIF data. The cases I have found so far are
images with ISO speed ratings of 250, 320, 1000, 2000, 2500, 4000. At the URL
example images can be found (CR2 with ISO 250 and DNG).

The problem does not occur for images with ISO values 100, 200, 400, 800, 1600,
and 3200. For these images the ISO speed rating is present after conversion.

Reproducible: Always

Steps to Reproduce:
1. Select a CR2 image with iso 250
2. Convert the image to DNG
3. Look at the EXIF data of the DNG image

Actual Results:  
Iso Speed Rating is missing in the EXIF data

Expected Results:  
Iso Speed Rating with value 250 should be visible in the EXIF data

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