NEW Arrival ---- YONGNUO TTL Speedlite YN320EX for S * High-speed Sync TTL Speedlite... GN31 @ ISO100，105mm;YN320EX supports TTL flash and High-speed Sync (HSS). The maximum sync speed is up to 1/8000s. * Wireless transmitter-receiver, supports optical triggering and 2.4GHz radio triggering. 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. * Realize 6-group flash control easily 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. * Ultra-fast Charging Recycle System * Firmware Upgrade * Sound Prompt System * Flash Head Electric Zoom * GN31 @ ISO100，105mm For more details:
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