Wireless Flash: Master/Slave ,S1/S2. SYNC Mode: High Speed Sync, 1st Curtain Sync, 2n. Производитель: YONGNUO. Stroboscopic Flash: 1-500Hz. Упаковка: Да. Размер модели: M50. GN: 60(ISO100/200mm). Flash Coverage Range: 20 to 200mm. Flash Mode: E-TTL/M/Mult