Featuring a svelte design, the Viltrox AF 56mm f/1.4 E is a compact portrait-length prime lens designed for Sony E-mount mirrorless cameras. The short telephoto focal length pairs with a bright f/1.4 maximum aperture to help achieve notable control over depth of field and also benefits working in difficult lighting situations. The optical design incorporates extra-low dispersion and high refractive index elements, too, to reduce various aberrations and distortion for high clarity, color accuracy, and sharpness. 【Precision metal structure 】Rugged all metal mittor body structure, ensure lens assembly. Compact and lightweight, only 290g 【F1.4 Large Aperture】Bright f/1.4 maximum aperture suits working in low-light conditions and also affords greater control over depth of field. 【F1.4 Large Aperture】Bright f/1.4 maximum aperture suits working in low-light conditions and also affords greater control over depth of field. 【STM Step Mute Motor】Minimize errors in the inspection process when working with live view technology, brings precise and smooth focus. 【HD Nano multi-layer coating】One extra-low dispersion elements reduce color fringing and chromatic aberrations in order to achieve a high degree of clarity and color accuracy. One high refractive index elements help to control spherical aberrations and reduce distortion in order to realize high sharpness and accurate rendering.