虛化背景一是鏡頭光圈，二是感光器麵積。1係列感光器太小，而鏡頭光圈也太小。

來源: 用戶名被占用了於 2013-12-25 19:17:45 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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