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CDR at a glance
CDR
CorelDRAW was developed by Corel engineers Michel Bouillan and Pat Beirne in 1987 to bundle with Corel's desktop publishing systems. The inclusion of TrueType support in Windows 3.1 transformed CorelDRAW into a serious illustration program.
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.
Format comparison
| Feature | CDR | PEF |
|---|---|---|
| File type | Not available | Not available |
| Extensions |
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| MIME type |
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| Compression / quality | Not available | Not available |
| File size characteristics | Not available | Not available |
| Compatibility | Not available | Not available |
| Editability | Not available | Not available |
| Created year | Not available | Not available |
| Inventor | Not available | Not available |
| Status | Not available | Not available |
| Transparency | Not available | Not available |
| Animation | Not available | Not available |
| Primary use cases |
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| Common software |
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| Archival suitability | Not available | Not available |
| Metadata handling | Not available | Not available |
| Delivery profile | Not available | Not available |
| Workflow fit | Not available | Not available |
| Layer support | Not available | Not available |
| Vector scaling | Not available | Not available |
When to use each format
When to use CDR
- illustration
- diagramming
- brand asset delivery
- Full-featured vector graphics format with rich toolset.
When to use PEF
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
FAQs
Why convert CDR to PEF?
Choose PEF as target when preserving Pentax camera originals or maintaining a Pentax-oriented raw workflow.
What changes when converting CDR to PEF?
Convert to PEF when preserving Pentax camera originals or maintaining a Pentax-oriented raw workflow. It is useful for archive masters and editable photographic captures.
What should I review after converting CDR to PEF?
After conversion, review these destination checks: Open converted output in vendor photo software and verify behavior on real samples; Compare output against the expected raw quality profile; Compatibility often depends on vendor or decoder support.
How can I keep quality stable in CDR to PEF conversion?
Run representative samples, keep settings deterministic, and monitor these risks: They are source formats, not publication-ready outputs; Compatibility often depends on vendor or decoder support; Validate destination compatibility before large-batch conversion.