Unverified50% confidenceFactTime unknown
滤镜口径需与镜头前部标注的'Ø'数值完全一致(如Ø77mm对应77mm滤镜),常见口径有49/52/58/67/72/77/82mm,转接环只能小口径镜头转大口径滤镜(不可反向)
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