Mitakon Zhongyi Zhongyi Speedmaster 50mm f/0.95 Lens for Sony Nex E-mount Full Frame Mirrorless Cameras - Manual Focus Mitakon Zhongyi Speedmaster 50mm f/0.95 Lens for Sony E-Mount - Front and Rear Lens Caps - Lens Hood - Lens Case - Mitakon 1 Year Warranty Exceptionally fast 50mm lens features an f/0.95 maximum aperture for selective focus control and working in low-light conditions Four extra-low dispersion elements and one ultra high refraction element work to minimize chromatic aberrations and also help to render notable sharpness and image clarity Manual focus design and a click-less, silent aperture ring promote smooth handling and are especially well-suited to video applications A nine-bladed aperture contributes to an aesthetic out-of-focus quality