相機自動對焦組件有光圈限製得，普通的再f/5.6以下就不靈了。大光圈能保真高對焦速度

來源: 用戶名被占用了於 2013-01-04 11:04:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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