YONGNUO YN50mm F1.8S DA DSM Standard Fixed Lens Sony E Mount Large Aperture

YN50mm F1.8S DA DSM is an automatic focus lens designed for the E mount APS-C frame digital camera of S, which has excellent performance in blurs background to highlight the main body, imaging sharpness, volume and weight.   Carry the digital stepping motor Compared with the traditional DC motor, 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.   Electronic focus rings Adopts electronic focus rings, supplemented by appropriate damping, which can provide  smooth manual focus experience of high precision.   USB Firmware Upgrade Equipped with USB interface, you can download the latest firmware from Yongnuo official website to upgrade the lens.   F1.8 Bright and large Aperture Flexible use of F1.8 large aperture, easy to obtain a soft and beautiful blur effect. In low light environment you can also use a low sensitivity and high shutter for shooting.   Low disper