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 […]
