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RAF File Format Specification

File format .RAF
Type Camera Raw Files
Developed By Fuji
Format Binary

What do you understand by RAF file format?

Basically, RAF file format as a RAW format, so it will use the raw plug in which gives additional color controls not normally available in photoshop. This file format is associated with Fuji CCD-RAW Graphic file. An RAF file is the digital equivalent of a photo negative. Because the major camera manufactures have each developed their own proprietary processes for creating camera raw files, there are actually hundreds of different camera RAF (raw) format that very between manufactures and sometime even between camera models.

Camera RAF database file is located by default in the folder titled Documents and setting/user name/application data/adobe/Camera Raw. The RAF file contains information on the amount of light that was seen by the sensor. An RAF file is simply a collection of the luminance values recorder by each phototsite at the time of capture, along with data containing the camera settings. Although, RAF files are technically just the recorded value of light from each photosite. RAF format is the perfect format to photography. The greater dynamic range, color depth, and post capture editing capabilities make the RAF(raw) format the best choice in most situation.

RAF Format

List of application that open RAF file.

  • Corel PaintShop Pro X9
  • Adobe Photoshop CC 2015
  • Adobe Photoshop Lightroom CC 2015
  • ACD Systems ACDSee 19
  • Adobe Photoshop Elements 14
  • ACD Systems Canvas X 16
  • GooglePicasa
  • Fuji Hyper-Utility Software
  • Adobe photoshop express

How to Open RAF file?

  • STEP1: Select the RAF file, Right click the RAF.
  • STEP2: Now, choose "Open with" option & select default program.
  • STEP3: If default program option not available, then choose Corel PaintShop Pro X9, Adobe photoshop element in the list of the program.
  • STEP4: Click Ok.

Note: If RAF supported software is not available on your PC, so you need to download from the internet and install it.

List of Fuji Cameras that produce RAF format


Advantages of RAF file

  • It allows the camera man to handle the conversion process.
  • Uses lossless Compression.
  • It provides potentially the best image quality.

Disadvantages of RAF file

  • Slow to read and write file from/to memory card.
  • Requires an additional processing step.
  • Requires conversion utility.
  • Bigger file sizes than JPEG.

Reasons of RAF file corruption

  • RAF file was corrupted not saved due to the program crashing or hanging.
  • Files created in earlier versions of CorelDraw are no longer accessible.
  • Due to system failure, RAF file may be crashed.


In this article describe the concept RAF format. It is a raw file format. This file format is associated with Fuji CCD-RAW Graphic file. Also describe its advantages, disadvantages, ways to open RAF file format and reasons of RAF file corruption.