RAF (Fujifilm RAW) is Fujifilm's proprietary RAW format used across the X-series and GFX medium format camera systems. Fujifilm's cameras feature unique X-Trans CMOS sensors with a non-Bayer 6x6 color filter array pattern, producing images with reduced moire artifacts and distinctive color rendering. Converting RAF files to BMP produces an uncompressed bitmap where every demosaiced pixel is stored as raw RGB data.

The X-Trans sensor's unusual filter pattern requires specialized demosaicing algorithms different from the standard Bayer pattern used by Canon, Nikon, and Sony. The conversion handles this unique sensor layout, applying Fujifilm's embedded color science to produce accurate output. BMP's uncompressed format ensures no additional information is lost after the RAF demosaicing step.

BMP files are supported by every Windows application and embedded system, making them essential for legacy compatibility. Fujifilm's RAF format, with its uncommon X-Trans sensor pattern, is even less widely supported by third-party software than standard Bayer RAW formats, making conversion necessary for any system that cannot decode RAF natively.

Machine vision systems, scientific instruments, forensic documentation tools, and industrial quality control pipelines that require uncompressed BMP input cannot process RAF files directly. Converting to BMP delivers Fujifilm's distinctive color science in a universally readable format.

The conversion reads the RAF container, extracts sensor data from the X-Trans 6x6 color filter array (or Bayer pattern for older Fujifilm models), and performs specialized demosaicing. Fujifilm's embedded color matrix, white balance, and Film Simulation settings are applied. The result is written as a 24-bit Windows DIB. A Fujifilm X-T5 (40.2 MP) produces a BMP of approximately 115 MB. The GFX 100S (102 MP) produces approximately 292 MB.

X-T5 (40.2 MP): ~115 MB. X-H2 (40.2 MP): ~115 MB. GFX 100S (102 MP): ~292 MB. X-T4 (26.1 MP): ~75 MB.

X-Trans is Fujifilm's unique 6x6 color filter array (vs standard 2x2 Bayer). It reduces moire and produces different demosaicing characteristics. The BMP output reflects the X-Trans pattern's distinctive rendering.

Yes. Embedded Film Simulation settings (Provia, Velvia, Classic Chrome, Acros, etc.) influence the color and tone rendering of the BMP output.

PNG provides lossless compression with much smaller files. Use BMP only when the target system specifically requires uncompressed format.

Yes, all Fujifilm cameras producing RAF files are supported: X-T series, X-H series, X-Pro series, X-E series, X100 series, and GFX medium format.

Device	RAF	BMP
Windows PC	Partial	Native
macOS	Partial	Partial
iPhone/iPad	Partial	Partial
Android	Partial	Partial
Linux	Partial	Partial
Web Browser	No	No

Ominaisuus	RAF	BMP
Koko nimi	Fujifilm RAW	Bitmap Image
Tiedostopääte	.raf	.bmp
Paras käyttökohde	Fujifilm cameras	Uncompressed

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