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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.
MQV at a glance
MQV
The .mqv extension appeared on some Sony camcorders and recording devices around the mid-2000s as an internal variant of the QuickTime/MOV container carrying Sony-proprietary metadata tracks and stream wrappers.
Format comparison
| Feature | PEF | MQV |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 2007 |
| Inventor | Pentax (now Ricoh) | Sony |
| Status | proprietary | legacy |
| 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 | Not supported |
When to use each format
When to use PEF
- Your source file is already in PEF.
- Preserve source expectations before exporting to MQV.
- PEF is commonly used in image workflows.
When to use MQV
- Your target workflow expects MQV.
- Improve delivery compatibility with MQV.
- MQV is commonly used in video workflows.
FAQs
Why convert PEF to MQV?
Convert to or from MQV when migrating recordings off older Sony consumer devices, preserving original camera exports, or normalizing a proprietary Sony library into MP4, MOV, or another easier editing format.
It is primarily a legacy-ingest and archive-recovery format.
What changes when converting PEF to MQV?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to MQV removes camera raw data.
What should I review after converting PEF to MQV?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.