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PEF at a glance
PEF
Pentax raw workflows never dominated the mass market, but their persistence in enthusiast and specialist photo libraries gives PEF ongoing practical relevance.
CIN at a glance
CIN
The Cineon format comes from Kodak's film-to-digital ecosystem and directly influences the later professional frame-exchange story around DPX.
Format comparison
| Feature | PEF | CIN |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 1992 |
| Inventor | Pentax (now Ricoh) | Kodak |
| Status | proprietary | legacy |
| 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 | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use PEF
- Your source file is already in PEF.
- Preserve source expectations before exporting to CIN.
- PEF is commonly used in image workflows.
When to use CIN
- Your target workflow expects CIN.
- Improve delivery compatibility with CIN.
- CIN is commonly used in image workflows.
FAQs
Why convert PEF to CIN?
Convert to CIN when preserving film scans or maintaining compatibility with Cineon-oriented grading and restoration pipelines.
It is useful for cinema post-production and archival motion-picture imaging.
What changes when converting PEF to CIN?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to CIN removes camera raw data.
What should I review after converting PEF to CIN?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.