Features: 1. -Nex Autofocus Ring, for Slr Lens To for Mirrorless Body2. for Slr Lenses Can Be Transferred To for E-Mount Bodies, Allowing You To More Beautiful Works Through New Combinations.3. Fast Autofocus, Adjustable Aperture, Focus, Inner Wall Matting, All- Material4. Auto-Focus Can Provide You With A Fast And Smooth Focusing Experience. Fast Focusing Within 0.5 Seconds Is The Basis For Barrier-Free Creation. for Mirrorless Body Is Seamlessly Connected With for Ef Lens, Allowing You To Quickly Adjust The Aperture And Shutter , And Other Setting Values, Allowing You To Focus More On A Series Of Contents Such As Framing And Composition.5. The Aperture Is Adjustable. -Nex Has Built-In Metal Electronic Contacts And Data Chips; The Aperture Can Be Quickly And Effectively Adjusted On The Body, Greatly Improving The Convenience Of Use. Type: Lens Adapter RingNote: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Usesize: Adapter ring diameter about 67mmMaterial: Aluminum alloycolour: black silverPackage Contents: 1 x Lens Adapter Ring