監控攝像機鏡頭角度焦距該怎麼選擇，MM數是甚麼意思。各種鏡頭適用場合，你搞得我好亂啊。ft. 阿姨我不想努力了
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Channel: 弱電通
Views: 61,906
Rating: undefined out of 5
Keywords: 1.8MM, 3.6MM, 6MM, 8MM, 12MM, 鏡頭焦距, 監視器, nvr
Id: zWJJWF8bcIQ
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Length: 23min 52sec (1432 seconds)
Published: Fri Feb 05 2021
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