XMP / EXIF Identical Fields?

[Paul Barrett]

Unless I am missing something obvious there is a tag called Create Date that appears in both or either of the EXIF and XMP metadata sections?

Why is this?

I thought the tag names were unique across all sections.  I am obviously wrong.  Is there an explanation for newbies that you can point me towards please?

Regards

- Paul

[StarGeek]

There are many tags which have duplicate names.  One main example is the XMP-exif group which are often simply copies of EXIF tags.

As for why

Standards

[Phil Harvey]

Actually, ExifTool attempts to make the tag names consistent across different metadata types.  This allows information to be more easily converted from one metadata type to another.

- Phil

[Paul Barrett]

Hm.  I am beginning to think I shouldn't have asked! 

- Paul