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PDF (Vector) at a glance
PDF (Vector)
PDF inherited its imaging model from PostScript, then became ISO-standardized, which let it displace older print-exchange conventions in many workflows that once depended on pure page-description languages or encapsulated graphics formats.
MEF at a glance
MEF
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 | PDF (Vector) | MEF |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1993 | 2005 |
| Inventor | Adobe Systems | Mamiya |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Supported | Not supported |
When to use each format
When to use PDF (Vector)
- Your source file is already in PDF (Vector).
- Preserve source expectations before exporting to MEF.
- PDF (Vector) is commonly used in vector workflows.
When to use MEF
- Your target workflow expects MEF.
- Improve delivery compatibility with MEF.
- MEF is commonly used in image workflows.
FAQs
Why convert PDF (Vector) to MEF?
Convert to MEF when preserving Mamiya camera originals or maintaining compatibility with medium-format photographic workflows that still expect that raw format.
It is appropriate for archive masters and non-destructive editing.
What changes when converting PDF (Vector) to MEF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to MEF removes vector scaling.
What should I review after converting PDF (Vector) to MEF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.