Unverified85% confidenceDecision RuleTime unknown
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
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85%
Confidence
Long-term
Relevance
-
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Unverified调光线性度差的灯在低亮度(1%-10%)会出现频闪或跳档，视频拍摄尤其升格慢动作需选支持0.1%级无级调光且高频PWM(≥25kHz)的型号避免频闪条纹86% 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86% similarUnverified带亮度调节应做到0-100%无级调光且低亮度不频闪，廉价灯低亮度档常出现PWM频闪，慢门或高帧率拍摄会出现横纹84% similarUnverified低亮度下的调光平顺度和无频闪同样关键：便宜的PWM调光灯在1%~10%低亮区间会闪烁或跳档，拍高速快门/慢动作会出现横纹，需选支持高频无频闪调光的灯84% 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83% similar
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