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ljj722:弱弱的問一下:怎么判斷是10×呢? (2016-07-03 09:53) I\$X/t +dH
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半顆心:放大鏡或者目鏡的放大比按照 250/f 來計算,f=25mm,就是10X了。 (2016-08-25 10:07) j3{I /m