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PDF in sintesi
Adobe introduced PDF in the early 1990s as part of the Acrobat family. Adobe later handed the specification to ISO, and PDF 1.7 became ISO 32000-1 in 2008.
ERF in sintesi
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.
Confronto tra formati
| Caratteristica | PDF | ERF |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1993 | 2004 |
| Inventor | Adobe | Epson |
| Status | active | proprietary |
| Primary use cases |
|
|
| Vector scaling | Supportato | Non supportato |
Quando usare ciascun formato
When to use PDF
- Your source file is already in PDF.
- Preserve source expectations before exporting to ERF.
- PDF is commonly used in document workflows.
When to use ERF
- Your target workflow expects ERF.
- Improve delivery compatibility with ERF.
- ERF is commonly used in image workflows.
Domande frequenti
Why convert PDF 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 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 to ERF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.
Risorse del formato
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