我一直搞不清楚这些东西知道拍日出别人有挡的买ND filter 有啥具体指标吗

来源: hhhh 于 2015-01-01 13:11:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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我一直搞不清楚这些东西 知道拍日出别人有挡的 买ND filter 有啥具体指标吗