The Z DF 23mm F1.2 NOKTON Aspherical is among the fastest APS-C size (Nik DX format) lenses, yet small and compact at only 8.5oz while using 6 lens groups and 10 element. It will shoot on full frame Z cameras, just choose full frame format in your shooting menu. Voigtlander Z lenses are equipped with electronic contacts to communicate between lens and camera body. Twelve aperture blades provide beautiful bokeh. Voigtlander Z lenses are manual focus lenses with all metal lens barrels and electrical contacts to communicate with the Z body. Filter size is 46mm. The lens hood is included. Close focusing is a very close 7 inches.