MEF is Mamiya's raw format from its medium-format digital backs and cameras, storing high-resolution sensor data.
MEF opens in Capture One, Lightroom and Mamiya software; convert to DNG/TIFF for wider compatibility.
Maximum dynamic range and editing latitude.
Recover highlights and shadows non-destructively.
Keep the untouched original alongside exports.
| ✔ Strengths | ✖ Limitations |
|---|---|
| Maximum editing latitude | No transparency support |
| Limited support — may need converting | |
| Needs raw-capable software |
Remove the background from MEF images, upscale to 4K, or generate new visuals with SharkFoto AI.
MEF is Mamiya's raw format from its medium-format digital backs and cameras, storing high-resolution sensor data.
MEF opens in Capture One, Lightroom and Mamiya software; convert to DNG/TIFF for wider compatibility.
MEF is an unprocessed raw container, so no detail is discarded.
Use SharkFoto's free tools — upload your MEF file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.
No — MEF doesn't store transparency; convert to PNG or WEBP if you need it.