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MOS at a glance
MOS
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
ARI at a glance
ARI
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | MOS | ARI |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2003 | 2010 |
| Inventor | Leaf (now Phase One) | ARRI (Arnold & Richter) |
| 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 MOS
- Your source file is already in MOS.
- Preserve source expectations before exporting to ARI.
- MOS is commonly used in image workflows.
When to use ARI
- Your target workflow expects ARI.
- Improve delivery compatibility with ARI.
- ARI is commonly used in image workflows.
FAQs
Why convert MOS to ARI?
Convert to ARI when maintaining compatibility with ARRI-originated raw image workflows or preserving frame data for grading and finishing.
It is appropriate for professional capture archives and controlled post-production pipelines.
What changes when converting MOS to ARI?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting MOS to ARI?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.