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SR2 at a glance
SR2
Early Sony raw formats reflect the transitional period in which Sony was still establishing its photography ecosystem and raw compatibility story.
NEF at a glance
NEF
NEF spans the long Nikon digital-camera era, from early DSLRs through modern mirrorless bodies, which is why its compatibility history matters so much in archive and editing workflows.
Format comparison
| Feature | SR2 | NEF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2003 | 1999 |
| Inventor | Sony | Nikon |
| 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 SR2
- Your source file is already in SR2.
- Preserve source expectations before exporting to NEF.
- SR2 is commonly used in image workflows.
When to use NEF
- Your target workflow expects NEF.
- Improve delivery compatibility with NEF.
- NEF is commonly used in image workflows.
FAQs
Why convert SR2 to NEF?
Convert to NEF when preserving Nikon originals or maintaining a workflow that expects Nikon raw files.
It is ideal for archive masters and non-destructive photo editing with maximum capture latitude.
What changes when converting SR2 to NEF?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting SR2 to NEF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.