1. You can use the L39 Lens to NEX mount cameras with this stepping ring 2. Fine finishing! Install, remove and operate lens smoothly! 3. Made of metal, durable and sturdy 4. Make L39 screw mount lenses can be used on NEX mount system camera 5. Function: Full manual operation, manual focus, manual aperture adjustment, manual exposure with the camera body, aperture priority exposure, and infinity focus. 6. For Sony NEX-F3, NEX-N3, NEX-3, NEX-C3, NEX-5, NEX-5D, NEX-5C, NEX-5R, NEX-5N, NEX-5A, NEX-5K,NEX-5T , NEX6, NEX-7, A5000, A5100,A6000, A7, A7R, A7S and other mirrorless cameras with E-mount mount
