Mitakon 50mm f/0.95 Sony FE Cameras Standard-Prime Lens 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.