The AF NIKKOR 50mm f/1.4D Lens from Nikon is a very effective standard length lens compatible with both FX and DX format Nikon DSLRs. It delivers distortion-free, high-contrast images with superb resolution and color rendition. With a maximum aperture of f/1.4 it is fast enough for shooting in just about any type of light and offers impresive shallow depth of field focus control. Weighing only 8.1 oz, it is easy to carry with you. This is an ideal first lens; perfect for full-length portraits, travel photography or any type of available-light shooting. It accepts 52mm filters.