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FFF at a glance
FFF
Hasselblad's workflow tooling treated raw capture and high-end processing as parts of one integrated medium-format imaging environment, which is why formats like FFF survive in specialist archives.
RAS at a glance
RAS
Before today's relatively small set of mainstream consumer image formats dominated everyday use, desktop software, workstations, GUI systems, and early graphics tools produced many specialized raster formats with local importance.
Format comparison
| Feature | FFF | RAS |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2002 | 1987 |
| Inventor | Hasselblad | Sun Microsystems |
| Status | proprietary | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use FFF
- Your source file is already in FFF.
- Preserve source expectations before exporting to RAS.
- FFF is commonly used in image workflows.
When to use RAS
- Your target workflow expects RAS.
- Improve delivery compatibility with RAS.
- RAS is commonly used in image workflows.
FAQs
Why convert FFF to RAS?
Convert to RAS when preserving compatibility with historical Sun or Unix image assets.
In most modern contexts it serves as a migration and archive-recovery format.
What changes when converting FFF to RAS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to RAS removes layer support. Moving to RAS removes camera raw data.
What should I review after converting FFF to RAS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.