目前是對(duì)于變焦目鏡的不理解，請(qǐng)各位大俠指點(diǎn)指點(diǎn)， ;K0kQ<y-Y  
我是菜鳥(niǎo)，所以問(wèn)的問(wèn)題都很淺顯。 Qsc%qt-l  
    一個(gè)初始結(jié)構(gòu)例子：變焦距虛焦面目鏡， C-$S]6  
E.F.L=10~20   B.F.L=-14.53~-6.33  Φ出/2=1.2～2.3  F.A.=±25°~±18° ZO+c-!%[(  
]dc^@}1bN  
序號(hào)         r                       d                 n                           ν k9.2*+vvg  
1            47.3                  1.76             1.7552              27.5 .Kr?vD^nG  
2           15.5                    6.22             1.64                 60.1 0I4RZ.2*Y  
3            -23.105               ***1 hd.^ZD7  
4             25.7                    3.26           1.60311            60.7 Be+vC=\K  
5             -900.522             0.2 DGTSk9iK(  
6            40.95                   4.69             1.72916          54.7 k#%BxT  
7              -20                     1.23              1.80518          25.4 E[>4b7{g:  
8              -287.692           ***2   Zycu3%JI  
9               -52                     1.23               1.51633          64.1 {SW}S_  
10            31.034 i!<