Nikon AF NIKKOR 50mm f/1.4D Lens

Lens Construction: Elements / Groups: 7 / 6 Closest Marked Focusing Distance [m]: 0.45.Dimensions (approx.) (from the camera lens mounting flange) 64.5 x 42.5mm Maximum angle of view in DX-format : 31.30 degrees , maximum angle of view in FX-format : 46 degrees with the maximum reproduction ratio of 0.15x