The Nikon 50mm f/1.8G AF-S NIKKOR FX is a lens almost all users of FX cameras should have. While the Nikon 50mm f/1.8D lens is cheaper and lighter, the Nikon 50mm f/1.8G is equipped with instant manual override focus, sharper corners, better construction and curved aperture blades. The aspherical lens element offers a more improved optical system.
The Nikon SWM (Silent Wave Motor) feature allows for quieter autofocus. The lens is also optimized for edge-to-edge sharpness on both DX- and FX-format DSLR cameras. Overall, the Nikon 50mm f/1.8G AF-S NIKKOR FX is a marvelous camera lens that’s a true bargain for any professional photographer.