Nikon Electronic Format

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Also known as

• NEF
• Nikon Image Format
• Nikon Digital SLR Camera Raw Image File

File extension(s)

.nef

Format registry information

PRONOM

Significant characteristics

See Significant characteristics 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• NEF is a proprietary format with an unpublished specification.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.

Conversion test results

• NEF to DNG using DNGConverter

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.