[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

光学变焦倍数越高,镜头组越大,低光进光量越受限;家用监控3-4倍光学变焦已足够看清10米内人脸,盲目追求数码变焦(如16倍)本质是画面裁切放大,画质模糊无意义

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