Olympus ORF

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File Format
Name Olympus ORF
Ontology
Extension(s) .orf
PRONOM fmt/668

ORF, or Olympus RAW, is a raw image format produced by Olympus digital cameras.

Contents

Format

The format is TIFF-like, but with a different file signature. The full-size image is in the first IFD. There is also Exif data, with a MakerNote.

Identification

Files begin with signature bytes 49 49 52 4f ("IIRO"), 4d 4d 4f 52 ("MMOR"), or 49 49 52 53 ("IIRS").

Software

Sample files

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