
Amazon.com : YONGNUO YN50MM F1.8S DF DSM Lens for Sony, Auto Focus Full Frame Standard Prime Lens, Compatible with Sony E Mount Cameras : Electronics,

Yongnuo announces new 50mm F1.8 'nifty fifty' autofocus lens for APS-C E-mount cameras: Digital Photography Review,

Yongnuo has a new $310 50mm F1.8 AF full-frame lens for Sony E mount cameras on the way: Digital Photography Review,

Amazon.com : YONGNUO Upgraded YN50MM F1.8S DA DSM II Lens, for Sony E-Mount mirrorless Cameras, 50mm F1.8 Large Aperture, Auto Focus APS-C Standard Prime Lens : Electronics,

Amazon.com : YONGNUO Upgraded YN50MM F1.8S DA DSM II Lens, for Sony E-Mount mirrorless Cameras, 50mm F1.8 Large Aperture, Auto Focus APS-C Standard Prime Lens : Electronics