Leica

File Format
Name	Leica
Ontology	Electronic File Formats Cameras and Digital Image Sensors Leica
Extension(s)	.dng,.raw,.rw2

Leica does not use their own proprietary file format. It is either [DNG], or [Panasonic] RAW or RW2, the later, a direct result of Panasonic being the OEM for several models of Leica digital cameras.