Difference between revisions of "Nikon Electronic Format"
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| − | [[Main Page]] > [[Documentation]] > [[ | + | [[Main Page]] > [[Documentation]] > [[Media type preservation plans]] > Nikon Electronic Format |
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===File extension(s)=== | ===File extension(s)=== | ||
| − | + | .nef | |
===Format registry information=== | ===Format registry information=== | ||
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===Significant properties=== | ===Significant properties=== | ||
| − | + | See [[Significant properties of raster images]] | |
===Preservation action plan=== | ===Preservation action plan=== | ||
| + | See [[Raw camera files]] | ||
===Preservation issues=== | ===Preservation issues=== | ||
*NEF is a proprietary format with an unpublished specification. | *NEF is a proprietary format with an unpublished specification. | ||
*NEF files can be very large - 70 MB or more. | *NEF files can be very large - 70 MB or more. | ||
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**Library of Congress states that [http://www.digitalpreservation.gov/formats/fdd/fdd000188.shtml Adobe Digital Negative (DNG), Version 1.1] may be emerging as a standard preservation format for raw camera images. | **Library of Congress states that [http://www.digitalpreservation.gov/formats/fdd/fdd000188.shtml Adobe Digital Negative (DNG), Version 1.1] may be emerging as a standard preservation format for raw camera images. | ||
***Adobe provides a free (but not open-source) [http://www.adobe.com/products/dng/ Adobe DNG Converter] designed for downloading to Windows or Mac computers. | ***Adobe provides a free (but not open-source) [http://www.adobe.com/products/dng/ Adobe DNG Converter] designed for downloading to Windows or Mac computers. | ||
***An open-source option for converting RAW image files to DNG is [http://www.digikam.org/ DigiKam] DNGConverter. | ***An open-source option for converting RAW image files to DNG is [http://www.digikam.org/ DigiKam] DNGConverter. | ||
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===Conversion test results=== | ===Conversion test results=== | ||
*[[NEF to DNG using DNGConverter]] | *[[NEF to DNG using DNGConverter]] | ||
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===More information=== | ===More information=== | ||
Revision as of 14:42, 10 March 2010
Main Page > Documentation > Media type preservation plans > Nikon Electronic Format
Also known as
- NEF
- Nikon Image Format
- Nikon Digital SLR Camera Raw Image File
File extension(s)
.nef
Format registry information
Significant properties
See Significant properties of raster images
Preservation action plan
See Raw camera files
Preservation issues
- NEF is a proprietary format with an unpublished specification.
- NEF files can be very large - 70 MB or more.
- Library of Congress states that Adobe Digital Negative (DNG), Version 1.1 may be emerging as a standard preservation format for raw camera images.
- Adobe provides a free (but not open-source) Adobe DNG Converter designed for downloading to Windows or Mac computers.
- An open-source option for converting RAW image files to DNG is DigiKam DNGConverter.
- Library of Congress states that Adobe Digital Negative (DNG), Version 1.1 may be emerging as a standard preservation format for raw camera images.
Conversion test results
More information
- NEF is a raw (i.e. pre-processed) image format produced by Nikon cameras.
- Information on NEF files is available at Library of Congress Sustainability of Digital Formats: Camera Raw Formats.
- For more information on JPEG2000 see Universal Photographic Digital Imaging Guidelines: Archiving and Technology Watch Support:JPEG 2000 - a Practical Digital Preservation Standard? Digital Preservation Coalition 2008.