Format
Sony ARW RAW Image File
Summary
- Name
- Sony ARW RAW Image File
- Version
- 1.x
- Identifiers
- PUID: fmt/191
- Format type
- Image (Raster)
- Description
- ARW is a raw image format produced by some makes of Sony cameras. The format is based upon TIFF.
- Format encoding
- Text
- File extensions
-
arw - Submitted by
- Digital Preservation Department / The National Archives
- Developed by
- Sony / Sony
- Supported by
- Sony / Sony
Relationships
- Has priority over
Internal signatures
Sony ARW 1.x
- Description
- TIFF Header{0-512}"SONY"{0-2048} Maker Note data adjusted for endianness: Sony 'FileFormat' Exif tag 0xB000, 0x0001=byte, 0x00000004=four times, 0x01 = SR2 format, 02= ARW 1.x, 03= ARW 2.x. We can distinguish between minor versions if requested. Sony Maker Note tags described at https://sno.phy.queensu.ca/~phil/exiftool/TagNames/Sony.html
- Provenance
- Sony tags: https://sno.phy.queensu.ca/~phil/exiftool/TagNames/Sony.html; EXIF IFD structure: http://www.exiv2.org/Exif2-2.PDF; v.120- Variable byte range in signature lengthened from 0-2048 to 0-6144 bytes. Submitted by Brigham Young University.
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
49492A00{0-512}534F4E59{0-6144}00B001000400000002- Endianness
- None
Changelog
-
V120
- Release date
- 25 February 2025
-
Updated
Sony ARW RAW Image File 1.x: Variable byte range in signature lengthened from 0-2048 to 0-6144 bytes. Submitted by Brigham Young University.
-
V93
- Release date
- 30 November 2017
-
Added signature
Sony ARW RAW Image File 1.x: Added version number. Signature developed through PRONOM Research. Requested by State Library New South Wales and samples provided by KU Leuven.
-
V65
- Release date
- 25 October 2012
-
Updated
AMI Professional Document: MIME-Type information added.