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3FR at a glance
3FR
Hasselblad raw workflows are closely tied to medium-format capture and to the brand's studio and commercial-photography lineage, which gives 3FR a different practical role from mass-market DSLR raw families.
PMD at a glance
PMD
The .pmd extension appeared in Sony's prosumer and professional recording device output alongside other Sony-proprietary formats like MQV, serving as a companion metadata or media descriptor file.
Format comparison
| Feature | 3FR | PMD |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | raw | depends |
| File size characteristics | large | large |
| Compatibility | limited | moderate |
| Editability | high | limited |
| Created year | 2002 | 2004 |
| Inventor | Hasselblad | Sony |
| Status | proprietary | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | moderate |
| Metadata handling | rich | moderate |
| Delivery profile | limited | strong |
| Workflow fit | source | delivery |
| 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 3FR
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
When to use PMD
- editing
- mastering
- streaming delivery
- Integrates Sony-specific production metadata into the recording workflow.
FAQs
Why convert 3FR to PMD?
Choose PMD as target when maintaining compatibility with a Sony-centered production workflow, preserving source media from a professional ingest system, or migrating archived broadcast assets that were originally wrapped for structured editorial exchange.
What changes when converting 3FR to PMD?
Convert to PMD when maintaining compatibility with a Sony-centered production workflow, preserving source media from a professional ingest system, or migrating archived broadcast assets that were originally wrapped for structured editorial exchange.
What should I review after converting 3FR to PMD?
After conversion, review these destination checks: Open converted output in Sony PlayMemories (legacy) and verify behavior on real samples; Compare output against the expected depends quality profile; No public specification or documentation.
How can I keep quality stable in 3FR to PMD conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Essentially unreadable outside Sony's own software ecosystem; No public specification or documentation; Validate destination compatibility before large-batch conversion.