[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(diǎn)指點(diǎn)，我是菜鳥，所以問的問題都很淺顯。    K/G|MT)  
一個(gè)初始結(jié)構(gòu)例子：變焦距虛焦面目鏡， 4D[W;4/p  
E.F.L=10~20   B.F.L=-14.53~-6.33  Φ出/2=1.2～2.3  F.A.=±25°~±18° 6@!<'l%z  
lMp)T**  
序號         r                       d                 n                           ν pr/yDGia  
1            47.3                  1.76             1.7552              27.5 A75IG4]  
2           15.5                    6.22             1.64                 60.1 Og%qv Bj 6  
3            -23.105               ***1 Y{@ez  
4             25.7                    3.26           1.60311            60.7 l   Cdiu*#f  
5             -900.522             0.2   0<Px2/  
6            40.95                   4.69             1.72916          54.7    Rs8`M8(4%  
7              -20                     1.23              1.80518          25.4 }MrRsvN  
8              -287.692           ***2      /bVU^vo  
9               -52                     1.23               1.51633          64.1   W*-+j*e|_P  
10            31.034  -U"(CGb5  
   ?`,UW;