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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.
3GPP Mobile Video at a glance
3GPP Mobile Video
The 3GP format emerged around 2003 alongside the 3GPP standards body's efforts to enable multimedia messaging and streaming on 2G/3G handsets, adopting the ISO BMFF container already proven by MP4.
Format comparison
| Feature | PEF | 3GPP Mobile Video |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 2001 |
| Inventor | Pentax (now Ricoh) | 3rd Generation Partnership Project (3GPP) |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use PEF
- Your source file is already in PEF.
- Preserve source expectations before exporting to 3GPP Mobile Video.
- PEF is commonly used in image workflows.
When to use 3GPP Mobile Video
- Your target workflow expects 3GPP Mobile Video.
- Improve delivery compatibility with 3GPP Mobile Video.
- 3GPP Mobile Video is commonly used in video workflows.
FAQs
Why convert PEF to 3GPP Mobile Video?
Convert to 3GPP mobile video when preserving early phone footage, reopening MMS-era media libraries, or targeting an older handset workflow that still expects 3GP-style packaging.
In most current environments it is better treated as a migration source than as a preferred final format.
What changes when converting PEF to 3GPP Mobile Video?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to 3GPP Mobile Video removes camera raw data. Moving to 3GPP Mobile Video adds streaming delivery.
What should I review after converting PEF to 3GPP Mobile Video?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.