MTF ChartOptical DesignProfessional, wide-angle, single-focal-length lens with a fast f/1.4 aperture. Designed for use with Nikon�s FX-format SLRs. Incorporates Nano Crystal coat for outstandingly sharp images, even in low-light. Boasts a 9-blade rounded diaphragm for super-smooth bokeh. A robust and reliable performer, its outstanding optical performance makes it the ideal lens for photographers who want a hard working lens.Fast 35mm lens with a maximum aperture of f/1.4Superior optical performance achieves high-resolution images with natural picture blurNano Crystal Coat virtually eliminates internal lens element reflections to effectively reduce ghost and flareSilent Wave Motor (SWM) ensures quiet AF operation with superior subject-tracking abilityRefined MF driving mechanism reduces focus time lag and improves operational ease in M/A modeSample Image