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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.
ERF at a glance
ERF
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) | ERF |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1993 | 2004 |
| Inventor | Adobe Systems | Epson |
| 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 ERF.
- PDF (Vector) is commonly used in vector workflows.
When to use ERF
- Your target workflow expects ERF.
- Improve delivery compatibility with ERF.
- ERF is commonly used in image workflows.
FAQs
Why convert PDF (Vector) to ERF?
Convert to ERF when preserving or restoring Epson-origin raw captures in an archive or compatibility workflow.
In most contemporary pipelines, it is a legacy source format to retain or migrate.
What changes when converting PDF (Vector) to ERF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ERF removes vector scaling.
What should I review after converting PDF (Vector) to ERF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.