Unverified80% confidenceTradeoffTime unknown
分辨率越高对亮度要求越高：4K投影每个像素更小更暗，若追求4K但亮度＜2000 ANSI，实际观感可能不如高亮的1080P机型
1
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80%
Confidence
Long-term
Relevance
-
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Unverified分辨率越高（4K）越清晰但夜视表现越差，同样传感器尺寸下像素越多单像素进光量越少；夜间看护为主的场景2K比4K夜视更亮更实用85% similarUnverified分辨率上限为4K但主打续航与弱光表现，适合长时间拍摄和光线不佳环境，牺牲了极致分辨率换取综合均衡84% similarUnverified分辨率为1080P而非4K，追求超高清画质的用户需权衡84% similarUnverified分辨率越高越清晰但夜视越差：4K传感器像素密度高、单像素进光少，弱光下噪点多；2K（2560×1440）是清晰度与夜视的平衡点，多数家用够用83% similarUnverified分辨率越高越清晰但夜视越差，因为高像素单个感光单元面积小、进光量少；日常倒车720P/AHD 100万像素配合大感光单元比1080P小传感器夜间更实用83% similar
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