PDF vs PEF
Ein detaillierter Vergleich von PDF Document und Pentax RAW — Dateigröße, Qualität, Kompatibilität und welches je nach Workflow zu wählen ist.
PDF Document
Documents & TextPDF is the universal standard for sharing documents with consistent formatting across all devices and operating systems. It preserves fonts, images, and layout exactly as intended by the author.
Über PDF-DateienPentax RAW
Raster & Vector ImagesPEF is the RAW image format used by Pentax DSLR cameras, containing full sensor data.
Über PEF-DateienVorteilsvergleich
PDF Vorteile
- Pixel-perfect fidelity across operating systems, browsers, and printers.
- Embeds fonts, so documents render identically without the reader having them installed.
- Supports digital signatures, encryption, and redaction for legal workflows.
- ISO-standardized (ISO 32000) with multiple validated subsets (PDF/A, PDF/X, PDF/UA).
- Supports both vector and raster content, keeping line art crisp at any zoom level.
PEF Vorteile
- Full Pentax sensor data with 14-bit or 12-bit depth.
- Rich Pentax makernotes for lens and filter metadata.
- DNG alternative available on body — user choice of archival openness.
- Every major raw processor supports PEF.
Einschränkungen
PDF Einschränkungen
- Editing is difficult — the format is optimized for display, not mutation.
- Text extraction can scramble reading order in multi-column layouts.
- File sizes balloon quickly when embedding high-resolution images or fonts.
- Accessibility (screen readers) requires careful tagging that many PDFs skip.
- JavaScript support has historically been a malware vector.
PEF Einschränkungen
- Proprietary with no public spec.
- Niche market share — Pentax DSLR sales are a fraction of Canon/Nikon/Sony.
- Lightroom profile coverage trails the Big Three.
- Smaller third-party ecosystem.
Technische Spezifikationen
| Spezifikation | PEF | |
|---|---|---|
| MIME type | application/pdf | image/x-pentax-pef |
| Current version | PDF 2.0 (ISO 32000-2:2020) | — |
| Compression | Flate, LZW, JBIG2, JPEG, JPEG 2000 | — |
| Max file size | ~10 GB (practical); 2^31 bytes (theoretical per object) | — |
| Color models | RGB, CMYK, Grayscale, Lab, DeviceN, ICC-based | — |
| Standard subsets | PDF/A, PDF/X, PDF/UA, PDF/E, PDF/VT | — |
| Extension | — | .pef |
| Container | — | TIFF/EP with Pentax MakerNote |
| Bit depth | — | 12 or 14-bit |
| Alternative | — | DNG (selectable in-camera on K-series) |
Typische Dateigrößen
- 1-page text-only memo 50–150 KB
- 10-page report with images 500 KB – 2 MB
- Scanned document (per page) 100 KB – 1 MB
- Full-color magazine (48 pages) 10–40 MB
PEF
- 24 MP PEF (K-3 Mark III) 30-40 MB
- 36 MP PEF (K-1 Mark II) 45-60 MB
Bereit zum Umwandeln?
Wandle zwischen PDF und PEF online um, kostenlos und ohne Installation. Verschlüsselter Upload, automatische Löschung in 60 Minuten.
Häufig gestellte Fragen
PDF (Portable Document Format) was created by Adobe in 1993 to present documents consistently across all devices and operating systems. It preserves fonts, images, layouts, and formatting regardless of the software used to view it.
PDF (Portable Document formato) was created by Adobe in 1993 to present documents consistently across todos os dispositivos e operating systems. It preserves fonts, images, layouts, e formatoting regardless of o software used to view it.
PDF files can be opened with Adobe Acrobat Reader (free), web browsers like Chrome and Edge, macOS Preview, and alternative readers like Foxit and Sumatra PDF.
PDF arquivos can be opened com Adobe Acrobat Reader (free), web browsers like Chrome e Edge, macOS Preview, e alternative readers like Foxit e Sumatra PDF.
Use PDF for final documents meant to be viewed or printed without changes. Use DOCX when the document needs to be edited collaboratively. PDF preserves exact layout while DOCX allows flexible editing.
Use PDF para final documents meant to be viewed ou printed sem changes. usar DOCX when the document needs to be edited collaboratively. PDF preserves exact layout while DOCX permite flexible editing.