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.
闪光
会预闪并把曝光值记忆下来，注意你只有16秒的时间重新
摄。
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.
闪光会预闪并把曝光值记忆下来，注意你只有16秒的时间重新摄。
Automatic filter detection: Speedlight automatically adjusts the attached camera's white balance settings when a fluorescent or incandescent color filter is used.
（自动滤镜检测：当使用
光或者白炽光滤镜时，闪
自动调节相机的白平衡设置。）
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