Yongnuo 85mm f/1.8

USB Firmware Upgrade Equipped with Fn function key Equipped with AF/MF focus mode switch Equipped with dust and water proof rubber ring Equipped with silent DSM stepper motor

【F1.8 large aperture】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. 【E Mount Full Frame Lens for Sony】It's designed for full-frame Sony E-Mount cameras, supports Auto Focus and Manual Focus, it's quipped with quiet DSM stepping motor, can... morequick start-stop response, high focusing accuracy, and quieter focusing action, which is suitable for photo shooting and video recording. 【USB Type-C firmware upgrade】Equipped with a USB Type-C interface, you can download the latest firmware to upgrade the lens to keep the lens at its best performance. At the same time, the lens adopts high-precision metal bayonet and gold-plated contacts, which can effectively improve signal conductivity and corrosion resistance. 【9 Optical Lenses in 8 Groups】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. And the lens 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】Through the AF/MF focus mode switch, you can quickly switch the focus mode. And the lens is equipped with a low-dispersion glass lens, which can effectively suppress the dispersion problem.