The YN685 is 2.4GHz wireless high guide number speedlite, supports TTL、M、Multi mode. -1 x Yongnuo YN685 FlashFor Nikon. YN685 Speedlite 1/8000s For NIKON. When the HSS function is enabled, this speedlite can be used at all shutter speed,the maximum sync speed can reach 1/8000s.
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