EF-FX1 Auto Electronic Aperture Adapter Ring — EF/EF-S to X-Mount (Mirrorless)

The EF-FX1 Auto is an adapter ring that lets you mount EF and EF-S lenses on X-Mount mirrorless cameras while retaining electronic aperture control. Designed as a converter/adapter accessory, it enables automatic aperture operation between the lens and camera body. Compact and portable, the adapter weighs 267g and serves as a simple solution for using EF/EF-S glass on mirrorless X-Mount systems.