The Viltrox EF-FX1 Pro lens mount adapter expands the capabilities of the FUJIFILM X-Mount camera, allowing the use of Canon EF and EF-S lenses. It maintains essential functions such as autofocus and aperture control.

It supports lens and camera image stabilization, as well as EXIF data transmission. It features physical controls, including a lens release lever for attaching the lens and an aperture control ring for easier use.

The USB-C port facilitates firmware updates. The precise design and durable construction from aluminum alloy and chrome-plated brass ensure compatibility and communication between the camera and lens.