**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 "dng_validate.exe".

Validating "nikond70.nef"...

Uses big-endian byte order
Magic number = 42

IFD 0: Offset = 8, Entries = 24

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

NewSubFileType: Preview Image
ImageWidth: 160
ImageLength: 120
BitsPerSample: 8 8 8
Compression: Uncompressed
PhotometricInterpretation: RGB
StripOffsets: Offset = 33302
Orientation: 1 - 0th row is top, 0th column is left
SamplesPerPixel: 3
RowsPerStrip: 120
StripByteCounts: Count = 57600
XResolution: 300.00
YResolution: 300.00
PlanarConfiguration: 1
ResolutionUnit: Inch

SubIFDs: IFD = 90902 796760

ReferenceBlackWhite: 0.0 255.0 0.0 255.0 0.0 255.0

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

TIFF/EPStandardID: 1.0.0.0

NextIFD = 0

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

NewSubFileType: Preview Image
Compression: Old JPEG
XResolution: 300.00
YResolution: 300.00
ResolutionUnit: Inch
JPEGInterchangeFormat: 131072
JPEGInterchangeFormatLength: 665687
YCbCrPositioning: 2

NewSubFileType: Main Image

**BP: I don't think these are used by anything.

XResolution: 300.00
YResolution: 300.00
ResolutionUnit: Inch

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

Exif IFD: Offset = 468, Entries = 31
MakerNote: Count = 32314, Offset = 988
NextIFD = 0
Nikon MakerNote: Offset = 1006, Entries = 43