Mamiya MEF

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File Format
Name Mamiya MEF
Ontology
Extension(s) .mef

Mamiya MEF is a raw camera image format (or family of formats?) used by some Mamiya digital cameras.

It is sometimes known as Mamiya RAW, though Mamiya RAW can also be a collective term for both MEF and Leaf MOS.

Format

At least some MEF files use DNG format, or something similar to DNG. The first IFD (refer to TIFF) contains a thumbnail image, and is expected to have three sub-IFDs. The first sub-IFD contains the full-resolution image, and the others contain reduced-resolution images.

There is also an Exif IFD. It includes a MakerNote with no signature, which appears to be an integrated or embedded IFD.

Software

Sample files

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