FUJIFILM XF 56mm f/1.2 R WR LensKey Features X Mount Lens APS C Format 85mm (35mm Equivalent) Aperture Range: f 1. 2 to f 16 Two Aspherical Elements One Extra Low Dispersion Element Fluorite Coated Front Element Rounded 11 Blade Diaphragm Weather Sealed Construction FUJINON Cinema Technology FUJIFILM XF 56mm f 1. 2 R WR Overview The optical design employs both aspherical and extra low dispersion elements, which help to reduce a variety of aberrations, color fringing, and distortion