所以你應該用的是CPL。CPL的物理形狀當然是可以方形的。
• 明白你的意思了,所以你不用擔心, 市麵上的恐怕已經沒有線性偏振的濾鏡了 -吳聚- ♂ (0 bytes) () 12/06/2012 postreply 09:39:03
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