[問題] 組合透鏡
請問一下組合透鏡的公式怎麼證明?
焦距為f_1.f_2之兩薄透鏡組合成焦距
f_1f_2
f=-------------
f_1+f_2
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10/13 23:41, , 1F
10/13 23:41, 1F
→
10/14 00:21, , 2F
10/14 00:21, 2F
→
10/14 16:44, , 3F
10/14 16:44, 3F
推
10/14 17:21, , 4F
10/14 17:21, 4F
推
10/14 17:28, , 5F
10/14 17:28, 5F