Unverified82% confidenceDecision RuleTime unknown
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
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82%
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Long-term
Relevance
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Unverified调光精度低的灯在低亮度档（＜10%）会出现频闪或跳档，视频录制建议选支持0-100%无级调光或1%步进的型号，避免慢门/高帧率拍摄出现横纹94% 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88% 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88% 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86% similarUnverified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% similar
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