Key FeaturesE-Mount Lens/Full-Frame FormatAperture Range: f/1.8 to f/16Two FLD Elements, Two SLD ElementsSuper Multi-Layer CoatingHyper Sonic AF Motor, Manual OverrideRounded 9-Blade DiaphragmTSC Material, Brass Bayonet MountIn the BoxSigma 135mm f/1.8 DG HSM Art Lens for Sony ESigma LCF-82 III 82mm..