Aputure Updated DEC LensRegain for MFT Camera 0.75x Focus Reducing Adapter Telecompressor Optic Reducer Adapter wireless focus controller DEC LensRegain is a wireless remote adapter with focal reducer that allows you to attach Canon EF-mount lenses to MFT mount cameras. The equipped 0.75x focal reducer enable you to get a wider field of view. DEC LensRegain helps you to expand the possibilities of Canon EF-mount lenses when you capture video with cine style camera.