Description of YONGNUO YN50mm F1.8S Lens 50mm F1.8 Large Aperture APS-C Standard Prime E-Mount Auto/Manual Focus AF/MF USB for Sony Cameras
Large F1.8 aperture enables beautiful defocusing effects, fast autofocus (AF) and manual focus (MF) are supported,7-blade circular aperture creates beautiful defocused bokeh,and 14 star awn effects can be achieved by properly reducing the aperture. Lightweight design ideal for APS-C Frame E-mount cameras, Aspherical element controls spherical aberration and coma. Digital Stepping Motor (DSM) has fast start and stop response, high focusing accuracy and quieter focusing action, which is suitable for photo shooting and short film recording. Adopts electronic focus rings, supplemented by appropriate damping, which can provide smooth manual focus experience of high precision. Adopts 7 groups of 8 pieces of optical structure design, nanometer multi-layer coating process of lens can effectively improve the light transmittance and inhibit the ghost image and glare of backlight. Gold-plated contact, metal bayonet.