[求助]剛開始學(xué)習(xí)，麻煩大俠指導(dǎo)指導(dǎo)關(guān)于鏡頭手冊的理解 [復(fù)制鏈接]

目前是對于變焦目鏡的不理解，請各位大俠指點指點，我是菜鳥，所以問的問題都很淺顯。    K^>qn,]H'  
一個初始結(jié)構(gòu)例子：變焦距虛焦面目鏡， 9<YB&:<  
E.F.L=10~20   B.F.L=-14.53~-6.33  Φ出/2=1.2～2.3  F.A.=±25°~±18° Z7f~|}  
*Zc-&Dk:Ir  
序號         r                       d                 n                           ν /0\pPc*kA{  
1            47.3                  1.76             1.7552              27.5 @+2Zt%  
2           15.5                    6.22             1.64                 60.1 ZHF@k'vm/9  
3            -23.105               ***1 Mr1pRIYMd  
4             25.7                    3.26           1.60311            60.7 l   6@$[x* V  
5             -900.522             0.2   9rid98~d  
6            40.95                   4.69             1.72916          54.7    WkO