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X3F at a glance
X3F
Sigma raw support is closely tied to the company's Foveon sensor story, giving X3F a reputation and workflow profile that differ from more mainstream Bayer-centric raw ecosystems.
RAW at a glance
RAW
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | X3F | RAW |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2002 | 1990 |
| Inventor | Sigma (Foveon) | Various camera manufacturers |
| Status | proprietary | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use X3F
- Your source file is already in X3F.
- Preserve source expectations before exporting to RAW.
- X3F is commonly used in image workflows.
When to use RAW
- Your target workflow expects RAW.
- Improve delivery compatibility with RAW.
- RAW is commonly used in image workflows.
FAQs
Why convert X3F to RAW?
Convert to RAW when a capture-oriented workflow needs source sensor data preserved rather than a baked image.
It is useful as a generic archival or interchange target only where the receiving toolchain explicitly understands the raw variant involved.
What changes when converting X3F to RAW?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting X3F to RAW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.