Olympus ORF

File Format
Name	Olympus ORF
Ontology	Electronic File Formats Cameras and Digital Image Sensors Olympus ORF ; ; ;
Extension(s)	.orf
PRONOM	fmt/668
Wikidata ID	Q7072922

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

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.

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