Mount EF Lens on FUJIFILM GFX Camera, Enables Autofocus and Auto Exposure, Enables Lens Stabilization Features, Transfers Lens Exif Metadata to Camera, Electronic Aperture Ring, Lightweight, Durable Metal Construction, Brass Lens Mounting Ring This Fringer EF Mount Lens to FUJIFILM GFX Camera Auto Adapter allows an EF mount lens to be used on a Fujifilm GFX camera. Electronic communication between an attached camera and lens is supported enabling image stabilization autofocus as well as auto exposure features. If an attached lens is capable of generating Exif metadata this adapter is designed to transfer that information so that it can be saved with image files generated by the combined EF mount lens and the GFX camera. Its electronic aperture ring features 1/3-stop steps and is user selectable through the ring or the command dial. Featuring a metal alloy construction this adapter is durable while remaining lightweight and its lens mounting ring is made with brass to further prevent wear and tear. It comes with a dust-proof rubber ring and its flocked interior minimizes internal reflection.