**BP: This file identifies tags that are in the NEF but not in the DNG. 
      It is based on analyses of the NEF and the DNG by "ShowTags".
      "UNKNOWN TAG" messages have been replaced by the real tag names.

**BP: The following tags identify the size of a preview that is in the NEF but not in the DNG. 
      The DNG has its own preview.

Main IFD:  XResolution           282   5     1  @0x00000158
Main IFD:  YResolution           283   5     1  @0x00000160
Main IFD:  ResolutionUnit        296   3     1  @0x00020000         2

**BP: The following is in TIFF/EP. It has no purpose for raw image data.
      It appears to relate to one of the NEF previews.

Main IFD:  ReferenceBlackWhite   532   5     6  @0x00000190

**BP: The following is in the DNG versions's EXIF IFD with the same information. 
      It is in both places in the NEF. It means the same whether in the Main IFD or the EXIF IFD.

Main IFD:  DateTimeOriginal    36867   2    20  @0x000001C0    2005:03:07 12:54:17

**BP: The following is in TIFF/EP. It is replaced by "DNGVersion" in the DNG.

Main IFD:  TIFF/EPStandardID   37398   1     4  @0x01000000       1   0   0   0

**BP: The following is in "DNGPrivateData" in the DNG file. It is copied across identically.

EXIF IFD:  MakerNote           37500   7 32314  @0x000003DC
	 4E 69 6B 6F 6E 00 02 10 00 00 4D 4D 00 2A 00 00 00 08 00 2B 00 01 00 07 00 00 00 04 30 32 31 30
	 00 02 00 03 00 00 00 02 00 00 00 C8 00 04 00 02 00 00 00 08 00 00 02 12 00 05 00 02 00 00 00 0D