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CRW in het kort
CRW
Early Canon digital-camera workflows used raw formats like CRW before the later EOS raw families stabilized around CR2 and then CR3.
DNG in het kort
DNG
DNG emerged when professional photo workflows were already fragmented across many undocumented vendor raw formats. Adobe positioned it as a common archival and interchange option rather than just another camera-native format.
Formaatvergelijking
| Kenmerk | CRW | DNG |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2004 |
| Inventor | Canon | Adobe |
| Status | proprietary | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Vector scaling | Niet ondersteund | Niet ondersteund |
| Camera raw data | Ondersteund | Ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Niet ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use CRW
- Your source file is already in CRW.
- Preserve source expectations before exporting to DNG.
- CRW is commonly used in image workflows.
When to use DNG
- Your target workflow expects DNG.
- Improve delivery compatibility with DNG.
- DNG is commonly used in image workflows.
Veelgestelde vragen
Why convert CRW to DNG?
Convert to DNG when you need a standardized raw master for archival storage, cross-tool editing, or camera-original normalization.
It is a strong target when long-term raw accessibility matters.
What changes when converting CRW to DNG?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting CRW to DNG?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.