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CR3 at a glance
CR3
CR3 marks Canon's move into a newer raw-file generation as mirrorless and later-camera workflows evolved beyond the long CR2 era.
RW2 at a glance
RW2
Panasonic raw support grew alongside Lumix cameras that often sat at the boundary between still-imaging and creator-oriented hybrid workflows.
Format comparison
| Feature | CR3 | RW2 |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2018 | 2008 |
| Inventor | Canon | Panasonic (Lumix) |
| Status | proprietary | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use CR3
- Your source file is already in CR3.
- Preserve source expectations before exporting to RW2.
- CR3 is commonly used in image workflows.
When to use RW2
- Your target workflow expects RW2.
- Improve delivery compatibility with RW2.
- RW2 is commonly used in image workflows.
FAQs
Why convert CR3 to RW2?
Convert to RW2 when preserving Panasonic camera originals or maintaining a Lumix-based raw workflow.
It is useful for archive retention and non-destructive editing.
What changes when converting CR3 to RW2?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting CR3 to RW2?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.