Convertisseur Gratuit en Ligne MEF vers G4

The format was developed by Mamiya for use in its own cameras. It is mainly used to store photos in uncompressed form for further processing without loss of quality. It was created on the basis of the RAW-file principle. It contains a complete set of information that was obtained from the camera lens.

G4 is a method to compress black and white images without losing quality. It is used for fax machines and as a one of the compression types for the TIFF format. G4 treats a picture as black dots and lines on a white page (less file size will be achieved if there are less black dots and lines).