Nikon designed this lens to yield sharp images even used for close-up photography. This was achieved thanks to its advanced 8-element design and a CRC feature acting on the front elements as with the 28/2 Nikkor. Images taken up close really are extremely sharp in the middle part of the picture and sharpness extends quite gracefully into the corners. Optimum near-focus sharpness is obtained at f/5.6 and f/8. For distant scenes, however, corner sharpness isn't that remarkable and ghosting under adverse conditions can be troublesome. There is some corner colour fringing present, too.Read more...