The Viltrox NF-Z is an autofocus adapter that lets you use older Nikon F-mount lenses on newer Nikon Z-mount mirrorless cameras. It supports fast autofocus (including eye and face tracking), auto-exposure, built-in Vibration Reduction (VR), and EXIF data transmission at a budget-friendly price.Think of the adapter as a smart bridge between your camera and lens. It translates the digital signals so your modern mirrorless camera body can perfectly control an older DSLR lens