Unverified83% confidenceCautionTime unknown
拍摄补光切勿选无恒流驱动的廉价灯带，PWM低频调光在相机下会产生滚动横纹（果冻效应），需选高频（＞3000Hz）无频闪驱动
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83%
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Long-term
Relevance
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Unverified调光方式优先选0-100%无级线性调光且低亮度无频闪的型号，PWM调光在低亮度下拍摄可能出现横纹，选高频PWM(≥25000Hz)或DC调光可避免85% similarUnverified补光灯需关注是否无频闪（flicker-free），低质量PWM调光的灯在低亮度档拍摄视频会出现横向滚动条纹，专业拍摄应选择DC调光或高频PWM（≥25kHz）产品84% similarUnverified选支持PWM高频调光（≥3000Hz）或DC直流调光的灯具，低频PWM调光在低亮度时频闪严重，长时间使用易引起眼疲劳，可用手机相机开录像模式检测有无水波纹83% similarUnverified视频用灯需关注无频闪（Flicker-free）和高频调光，PWM低频调光会在高速快门或升格慢动作时产生画面横纹83% similarUnverified无极调光通常采用PWM或DC调光，低频PWM在手机镜头下可能产生频闪水波纹，选择标注‘无频闪/高频调光’的产品可避免视频录制出现闪烁条纹82% similar
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