The speedlight will pre-flash that area and lock that exposure into memory.I might caution you that you have 16 seconds to then recompose and take the shot.
闪
灯会预闪并把曝值记忆下来，注意你只有16秒的时间重新构图拍摄。
,频闪放电管The speedlight will pre-flash that area and lock that exposure into memory.I might caution you that you have 16 seconds to then recompose and take the shot.
闪灯会预闪并把曝值记忆下来，注意你只有16秒的时间重新构图拍摄。
Automatic filter detection: Speedlight automatically adjusts the attached camera's white balance settings when a fluorescent or incandescent color filter is used.
（自动
测：当使用
或者白
时，闪灯可以自动调节相机的白平衡设置。）
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