Sony ARW

File Format
Name	Sony ARW
Ontology	Electronic File Formats Cameras and Digital Image Sensors Sony ARW
Extension(s)	.arw
PRONOM	fmt/191, fmt/1127

Sony ARW is a raw image format used by some Sony digital cameras. It is based on TIFF.

Format

Apparently, there are two main TIFF IFDs, containing reduced-size images. The full-resolution image is in a subIFD of the first IFD. There is also an Exif IFD, with a MakerNote.

Identification

The subIFD of the first TIFF IFD has Compression code 32767.

Software

• Refer to Cameras and Digital Image Sensors#Software.

Sample files

• Sony A500 Review → Sample RAW Images
• Sony NEX-5 Review → Sample RAW Images
• Sony A7 Review
• A57 Sample files
• https://telparia.com/fileFormatSamples/image/arw/

Links

• ExifTool: Sony Tags (MakerNote info)