YONGNUO YN50mm F1.8S DA DSM Standard Prime Lens AF MF E-mount APS-C for Sony
YONGNUO YN50mm F1.8 Large Aperture AF Auto Focus Lens for Nikon D7100 D810 D700 79.99 GBP. Model Number : YN50mm F1.8S DA DSM. Model Number: : YN50mm F1.8S DA DSM. 1 YN50MM F1.8S Lens. YongNuo Model : 50mm F/1 8.