DNG to 3FR

Looking to convert DNG to 3FR? Here's the honest answer — and what works instead.

You can't convert DNG to 3FR. 3FR is a camera's own RAW format — it only ever comes out of the camera.

Why DNG to 3FR isn't possible

1

3FR is Hasselblad's in-camera RAW

3FR is the raw sensor data a Hasselblad camera writes at the moment of capture. It's produced by the camera's own hardware and firmware — software can read it, but nothing can manufacture a genuine 3FR from a finished DNG.

2

A DNG has already been processed

Your DNG is a developed, final image. The extra sensor information a 3FR carries — wider dynamic range, full color depth, untouched highlights — was discarded when the photo was first saved, and can't be put back.

3

It is locked to one camera maker

3FR is proprietary to Hasselblad. Even other RAW formats (NEF, ARW, RAF…) aren't interchangeable with it — there is no universal "save as RAW" that produces a real 3FR.

The RAW formats — and where they come from

Every real RAW file is one of these camera-maker-specific formats, written by the camera itself:

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Format details

DNG is Adobe’s open, universal raw format. It stores unprocessed sensor data in a standardised container any modern editor can open — ideal for archiving photos.

Full nameDigital Negative
Developed byAdobe
Released2004
Extension.dng
MIME typeimage/x-adobe-dng
TransparencyNo

DNG opens in Lightroom, Photoshop, Camera Raw and most pro photo editors.

3FR is Hasselblad’s raw format from medium-format cameras.

Full nameHasselblad Raw
Developed byHasselblad
Released2004
Extension.3fr
MIME typeimage/x-hasselblad-3fr
TransparencyNo

3FR opens in Phocus and Adobe Camera Raw.

Frequently asked questions

No. 3FR stores the raw signal a Hasselblad sensor recorded at capture. A DNG is a finished image with that data already baked in and discarded — there's nothing for a converter to reconstruct.

RAW formats like 3FR give maximum editing latitude — but only when they come straight from the camera. Converting a DNG to 3FR would just wrap a finished image in a RAW container, with none of the benefits.

DNG is an open RAW container. You can convert a camera's own RAW (including 3FR) into DNG, but you still can't turn a regular DNG into 3FR or any real RAW.

DNG converts cleanly to PNG, JPG, TIFF and WEBP — free, no sign-up, no watermark.