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CRW in sintesi
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 sintesi
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.
Confronto tra formati
| Caratteristica | CRW | DNG |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2004 |
| Inventor | Canon | Adobe |
| Status | proprietary | active |
| Transparency | Non supportato | Non supportato |
| Animation | Non supportato | Non supportato |
| Primary use cases |
|
|
| Layer support | Non supportato | Non supportato |
| Vector scaling | Non supportato | Non supportato |
| Camera raw data | Supportato | Supportato |
| HDR support | Non supportato | Non supportato |
| Streaming ready | Non supportato | Non supportato |
Quando usare ciascun formato
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.
Domande frequenti
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.