Free Express Shipping! Yongnuo YN 50mm f/1.8 Lens for Nikon F Nikon F Mount/FX Format, Aperture Range: f/1.8 to f/22, Multi-Coated Lens Elements, AF/MF Switch, Seven-Blade Diaphragm, Gold-Plated Contacts, Metal Lens Mount, Minimum Focusing Distance:...