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PFM Raw at a glance
PFM Raw
PFM persists from the era when HDR imaging, rendering research, and tone-mapping workflows needed straightforward file carriers for floating-point image data long before mainstream consumer HDR delivery formats matured.
NRW at a glance
NRW
NRW reflects the period when some advanced compact cameras offered raw capture and needed to participate in the same post-processing expectations as larger interchangeable-lens systems.
Format comparison
| Feature | PFM Raw | NRW |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1998 | 2008 |
| Inventor | PBRT / Paul Debevec community | Nikon |
| Status | active | 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 | Not supported | Supported |
| HDR support | Supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use PFM Raw
- Your source file is already in PFM Raw.
- Preserve source expectations before exporting to NRW.
- PFM Raw is commonly used in image workflows.
When to use NRW
- Your target workflow expects NRW.
- Improve delivery compatibility with NRW.
- NRW is commonly used in image workflows.
FAQs
Why convert PFM Raw to NRW?
Convert to NRW when preserving Nikon compact-camera originals or maintaining compatibility with workflows built around that raw variant.
It is useful for archive retention and raw-photo adjustment.
What changes when converting PFM Raw to NRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to NRW adds camera raw data. Moving to NRW removes HDR content.
What should I review after converting PFM Raw to NRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.