Possible bug copying FocalLengthIn35mmFormat

Started by StarGeek, October 26, 2017, 01:03:32 AM

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StarGeek

Based upon a StackOverflow question.

I start with a jpg with no exifdata.  Copy FocalLengthIn35mmFormat to the empty file from another file using -TagsFromFile.  The tag appears to copy correctly and exiftool shows it upon listing the EXIF contents.  But  testing with Irfanview, Adobe Bridge, and the program mentioned in that link (AnalongExif) do not show FocalLengthIn35mmFormat in the target file, though they show it in the source file.  The source file had it's EXIF data filled with exiftool.

Bug?  Or are the other programs maybe relying upon another tag as well?  Let me know if you need to see the files.

* Did you read FAQ #3 and use the command listed there?
* Please use the Code button for exiftool code/output.
 
* Please include your OS, Exiftool version, and type of file you're processing (MP4, JPG, etc).

Phil Harvey

Hi StarGeek,

I can't reproduce this.

Adobe Bridge CS4 sees "Focal Length in 35mm Film" if I write FocalLengthIn35mmFormat into a JPEG with no other metadata.

I suggest deleting tags from the source file until you find out which one(s) cause this difference.

- Phil
...where DIR is the name of a directory/folder containing the images.  On Mac/Linux/PowerShell, use single quotes (') instead of double quotes (") around arguments containing a dollar sign ($).

StarGeek

* Did you read FAQ #3 and use the command listed there?
* Please use the Code button for exiftool code/output.
 
* Please include your OS, Exiftool version, and type of file you're processing (MP4, JPG, etc).