SIGMA 30MM F/1.4 DC HSM ART LENS FOR NIKON
Nikon F Mount LensAperture Range: f/1.4 - 16For DX Format CamerasStandard Focal Length Prime LensMinimum Focus Distance: 11.8" (30 cm)Hyper Sonic Motor for Smooth AutofocusThermally Stable Composite MaterialBrass Bayonet Mount