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CR2 in het kort
CR2
CR2 became the dominant Canon raw family through the long DSLR era, so huge real-world photo archives still depend on stable CR2 decoding and migration paths.
EXR in het kort
EXR
OpenEXR came from film-production needs at ILM and then evolved into an open industry format that spread across rendering, compositing, and broader high-end image pipelines.
Formaatvergelijking
| Kenmerk | CR2 | EXR |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2003 |
| Inventor | Canon | Industrial Light & Magic |
| Status | proprietary | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Vector scaling | Ondersteund | Niet ondersteund |
| Camera raw data | Ondersteund | Niet ondersteund |
| HDR support | Niet ondersteund | Ondersteund |
| Streaming ready | Niet ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use CR2
- Your source file is already in CR2.
- Preserve source expectations before exporting to EXR.
- CR2 is commonly used in image workflows.
When to use EXR
- Your target workflow expects EXR.
- Improve delivery compatibility with EXR.
- EXR is commonly used in image workflows.
Veelgestelde vragen
Why convert CR2 to EXR?
Convert to EXR when the image needs high dynamic range, floating-point precision, render passes, or linear-light compositing.
It is ideal for CGI, VFX, and advanced HDR production pipelines.
What changes when converting CR2 to EXR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to EXR removes vector scaling. Moving to EXR removes camera raw data. Moving to EXR adds HDR content.
What should I review after converting CR2 to EXR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.