SRF (Sony Raw Format) is Sony's earliest proprietary RAW format from the first generation of Sony-branded digital cameras. Cameras like the DSC-F707, DSC-F717, DSC-F828 (early firmware), and DSC-V1 produced SRF files containing 5-8 megapixel CCD sensor data. These cameras featured Carl Zeiss Vario-Sonnar T* lenses and were known for the distinctive NightShot infrared mode. SRF predates both SR2 and ARW in Sony's RAW format lineage.

Converting SRF files to BMP produces uncompressed bitmap images from these first-generation Sony cameras. These cameras hold historical significance as Sony's initial foray into serious digital photography, and BMP provides the most universally readable output for preserving their photographs.

BMP is readable by every operating system and image viewer ever created. SRF is one of the most obscure RAW formats in existence — very few modern applications still support it. Converting to BMP creates permanently accessible copies of photographs from Sony's earliest digital cameras before format support disappears entirely.

The DSC-F707 and DSC-F717 were landmark cameras that established Sony as a serious player in digital photography. Their CCD sensors produced a distinctive look — warm, smooth, with exceptional low-light capability enhanced by the NightShot feature. BMP preserves this character in the simplest possible format.

The conversion reads the SRF container, extracts the 5-8 MP CCD Bayer sensor data, and performs demosaicing. Sony's early CCD color matrix and white balance metadata are applied. The output is written as a 24-bit Windows DIB. The DSC-F717 (5 MP) produces a BMP of approximately 14 MB. The DSC-F828 early firmware (8 MP) produces about 23 MB. These are modest files by modern standards.

DSC-F717 (5 MP): ~14 MB. DSC-F828 early firmware (8 MP): ~23 MB. DSC-V1 (5 MP): ~14 MB. These are very manageable file sizes.

SRF is Sony's earliest RAW format (DSC-F707/F717/V1 era). SR2 is the next generation (DSC-R1/F828 later firmware). ARW is the current format for Alpha cameras.

Yes, it is one of the highest-risk RAW formats for obsolescence. Very few RAW processors actively maintain SRF support. Converting to universal formats is strongly recommended.

NightShot was a near-infrared mode on DSC-F707/F717/V1 cameras that could capture images in complete darkness using an IR emitter and the CCD sensor's IR sensitivity.

For universally readable raster output, BMP works. For maximum quality, use TIFF at 16-bit. For RAW preservation, consider DNG if converter tools support SRF.

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

Ominaisuus	SRF	BMP
Koko nimi	Sony RAW (Cyber-shot)	Bitmap Image
Tiedostopääte	.srf	.bmp
Paras käyttökohde	Sony Cyber-shot	Uncompressed

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