Format
Digital Negative Format (DNG)
Summary
- Name
- Digital Negative Format (DNG)
- Version
- 1.4
- Identifiers
-
- PUID: fmt/730
- 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 6.0 format, and is compatible with the TIFF-EP standard. This version was published June 2012.
- File extensions
-
dng - Submitted by
- Digital Preservation Department / The National Archives
- Developed by
- Adobe Systems Incorporated
- Supported by
- Adobe Systems Incorporated
Relationships
- Has priority over
- Is previous version of
- Is subsequent version of
- Is subtype of
Internal signatures
DNG 1.4 (big-endian, BOF)
- Description
- TIFF header plus DNGVersion tag near BOF
- Provenance
- http://wwwimages.adobe.com/content/dam/Adobe/en/products/photoshop/pdfs/dng_spec_1.4.0.0.pdf
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
4D4D002A{0-4080}C61200010000000401040000- Endianness
- Big-endian
DNG 1.4 (little-endian, BOF)
- Description
- TIFF header plus DNGVersion tag near BOF
- Provenance
- http://wwwimages.adobe.com/content/dam/Adobe/en/products/photoshop/pdfs/dng_spec_1.4.0.0.pdf
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
49492A00{0-4080}12C601000400000001040000- Endianness
- None
DNG 1.4 (little-endian, BOF+EOF)
- Description
- TIFF header plus DNGVersion tag near EOF
- Provenance
- http://wwwimages.adobe.com/content/dam/Adobe/en/products/photoshop/pdfs/dng_spec_1.4.0.0.pdf; 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
12C601000400000001040000- Endianness
- None
DNG 1.4 (big-endian, BOF+EOF)
- Description
- TIFF header plus DNGVersion tag near EOF
- Provenance
- http://wwwimages.adobe.com/content/dam/Adobe/en/products/photoshop/pdfs/dng_spec_1.4.0.0.pdf; 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
C61200010000000401040000- Endianness
- Big-endian
Changelog
-
V116
- Release date
- 23 November 2023
-
Updated
Digital Negative Format (DNG) 1.4: Max-offset increased to 128000 bytes for EOF signatures and MIME type of 'image/dng' added. Submitted by Brigham Young University.
-
V82
- Release date
- 27 March 2015
-
Added format
Digital Negative Format (DNG) 1.4: Full entry added. Submitted by Church of Jesus Christ of Latter-day Saints.
-
Added signature
Digital Negative Format (DNG) 1.4: Signature developed from format samples submitted by Church of Jesus Christ of Latter-day Saints.