Nikon AF FX NIKKOR 50mm f/1.4D Fixed Zoom Lens with Auto Focus for Nikon DSLR Cameras International Version (No Warranty) 50mm f/1.4D AF Nikkor Lens for Nikon DSLRs Lens construction: 7 elements in 6 groups Closest focusing: 0.45m/1.5 ft. Accepts 52mm filters Includes 52mm lens cap, rear cap