Yongnuo YN320EX S 2.4G Wireless Flash Speedlite, HSS 1/8000s TTL M Multi Master Unit, for Sony Cameras a7 a7ii a6000 A7R II a6300 a6500

GN31 @ ISO100，105mm;YN320EX supports TTL flash and High-speed Sync (HSS). The maximum sync speed is up to 1/8000s. Adopts two AA batteries power supply design, The recycling time for full output just takes 2s, you won’t miss any splendid moment. This product YN320EX is compatible with S ' optical transmission wireless triggering signal and YONGNUO 602/603 radio triggering signal. A YN320EX can be used as master unit or slave unit. The flexibility of YN320EX makes photography more freewheeling. As a radio master unit, YN320EX supports controlling 6 separate groups. It can remotely control the flash mode, flash output, focal length, number of stroboscopic and stroboscopic frequency of YN560Li/YN720/YN685/YN560III/YN560 IV/YN660/YN860Li. YN320EX is equipped with USB port. The latest firmware can be downloaded from the official website of YONGNUO. Upgrade the firmware of YN320EX to keep it in best performance. When the sound prompt system is enabled, the flash emits different sounds to indicate different working status. With ZOOM button, the flash head can circularly move in the coverage range of 24mm~105mm.