Introduction Nikon’s original manual focus Noct-Nikkor 58mm f/1.2 model was designed for photography at night and in poor light using film cameras.Technology has moved on since then and this recently announced model is not intended as a direct replacement for the Noct-Nikkor but as an ultra-high grade option to the AF-S 50mm f/1.4, and as a short-telephoto on DX bodies, where it becomes the equivalent to a 90mm.It features a complex optical construction with 9 elements in 6 groups with, unusually, two aspherical elements and nano-crystal coating. As with the upgrade to the AF-S Nikkor 50mm