【Features】YONGNUO YN85MM F1.8S Lens for Sony, 85mm focal length, F1.8 Large Aperture, 9 elements in 8 groups, 58mm Filter diameter, 7pcs Aperture blades, Auto Focus and Manual Focus | 【Compatible with】Sony E Mount Mirrorless Cameras A7III A7RIII A7SII A7RII A7II A9 A7 A7R A6400 A6500 A6300 A6000 A5100 A5000 | 【E Mount Full Frame Lens for Sony】It's designed for full-frame Sony E-Mount cameras, supports Auto Focus and Manual Focus. Equipped with quiet DSM stepping motor, can quick start-stop response, high focusing accuracy, and quieter focusing action, which is suitable for photo shooting and video recording. | 【F1.8 large aperture, with 9 optical lenses in 8 groups】Flexible use of F1.8 large aperture, easy to obtain soft blur effect, you can also use low sensitivity and higher shutter to shoot in low light environment. The lens adopts an optical structure of 9 lenses in 8 groups, and the lens has a nano-multilayer coating process, which can effectively increase the light transmittance and suppress back-light ghosts and glare. | 【7 circular aperture blades】YN85MM 1.8S is designed with 7 circular aperture blades, it can shoot circular diffuse spots. It can also take pictures with 14 star effects if the aperture is appropriately reduced. | 【Equipped with quiet DSM stepping motor】The 85mm lens is equipped with a low-dispersion glass lens, which can effectively suppress the dispersion problem, and it also supports USB Type-C firmware upgrade, you can download the latest firmware to upgrade the lens to keep the lens at its best performance