Amazon.com : YONGNUO YN50mm F1.8N Standard Prime Lens Large Aperture Auto Manual Focus AF MF for Nikon DSLR Cameras : Electronics
Amazon.com : VILTROX NF-E1 Auto Focus Electronic Lens Mount Adapter with Aperture Control EXIF Transmitting,VR for Nikon F Lens to Sony E Mount Camera A9 A7RIII A7RII A7III A7II A7 A7S A6500