Sigma

Sigma 20mm f/1.4 DG HSM Art Lens for Nikon F Accessory Bundle

Focal Length: 20mmAperture Range: f/1.4 - f/16Nikon F Mount LensNikon FX/35mm Film / Nikon DX FormatHyper-Sonic Motor Focusing (HSM)Two FLD Elements and Five SLD ElementsTwo Aspherical ElementsRounded 9-Blade DiaphragmTSC Material, Brass Bayonet...