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Camera Image File Format

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Camera Image File Format (CIFF)
Filename extension
.crw
Internet media typeimage/x-canon-crw
Developed byCanon, CIFF Forum
Initial release12 February 1997 (1997-02-12)
Latest release
1.0 revision 4
24 December 1997; 27 years ago (1997-12-24)
Type of formatraw image format
Extended toDCF 1.0 (JEIDA-49-2-1998)
Websitehttp://ciff-forum.com

In digital photography, the Camera Image File Format (CIFF) file format is a raw image format designed by Canon, and also used as a container format to store metadata in APP0 of JPEG images.[1] Its specification was released on February 12, 1997.[2]

The last revision of the standard was revision 4, on December 24, 1997. The format is no longer used by Canon, having been superseded by the CR2 file format.

Digital cameras

The CRW format was supported by some earlier Canon digital cameras:[3]

Software that supports CRW

Besides Canon's ZoomBrowser and Digital Photo Professional, several other software programs provide read support, and sometimes write support, for CRW files including:

See also

References

  1. ^ Phil Harvey (September 6, 2010). "CanonRaw Tags". ExifTool. Retrieved 18 October 2011.
  2. ^ "CIFF Specification on Image Data File Version : 1.0 revision 4". Canon Inc. (via Xyrion.org). December 24, 1997. Retrieved 2013-05-06.
  3. ^ "Inside the Canon RAW format version 2, understanding .CR2 file format and files produced by Canon EOS Digital Camera". Lclevy.free.fr. Retrieved 2013-05-06.
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