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Format

Digital Negative Format (DNG)

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Summary

Name
Digital Negative Format (DNG)
Version
1.5
Identifiers
  • PUID: fmt/1841
  • MIME: image/tiff
Format type
Image (Raster)
Description
The Digital Negative (DNG) specification describes a non-proprietary file format for storing camera raw files that can be used by a wide range of hardware and software vendors. DNG is an extension of the TIFF format, and is compatible with the TIFF-EP standard. This version was published in May 2019 and includes support for Depth Maps and processed Enhanced Image Data that can be stored alongside the raw image.
File extensions
dng
Submitted by
The Church of Jesus Christ of Latter-Day Saints / The Church of Jesus Christ of Latter-Day Saints

Relationships

Has priority over
Is previous version of
Is subsequent version of
Is subtype of

Internal signatures

DNG 1.5 (Little Endian, BOF)

Description
TIFF header plus DNGVersion tag near BOF

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
49492A00{0-4080}12C601000400000001050000
Endianness
None

DNG 1.5 (Big Endian, BOF)

Description
TIFF header plus DNGVersion tag near BOF

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
4D4D002A{0-4080}C61200010000000401050000
Endianness
None

DNG 1.5 (Little Endian, BOF+EOF)

Description
TIFF header plus DNGVersion tag near EOF
Provenance
11/2023 (v.116)- EOF max-offset increased to 128000. Submitted by Brigham Young University.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
49492A00
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
128000
Byte Sequence
12C601000400000001050000
Endianness
None

DNG 1.5 (Big Endian, BOF+EOF)

Description
TIFF header plus DNGVersion tag near EOF
Provenance
11/2023 (v.116)- EOF max-offset increased to 128000. Submitted by Brigham Young University.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
4D4D002A
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
128000
Byte Sequence
C61200010000000401050000
Endianness
None

Changelog

  • V116

    Release date
    23 November 2023

    • Updated

      Digital Negative Format (DNG) 1.5: Max-offset increased to 128000 bytes for EOF signatures and MIME type of 'image/dng' added. Submitted by Brigham Young University.

  • V110

    Release date
    14 March 2023

    • Added format

      Digital Negative Format (DNG) 1.5: Full entry added. Submitted by The Church of Jesus Christ of Latter-Day Saints.

    • Added signature

      Digital Negative Format (DNG) 1.5: Signature researched and samples provided by .