[求助]镜头的一阶数据HT, THI, OAL代表什么？ [复制链接]

INFINITE CONJUGATES %T hY6y(  
   EFL        42.0337    （有效焦距） L> ehL(]!  
   BFL       -89.5297      （后焦距=像方焦距？） U[EM<5@I  
   FFL        12.0118        （前焦距=物方焦距？） u%J04vG"D  
   FNO         0.0000         （F数） ]d$:R`;  
AT USED CONJUGATES M]O _L  
   RED         4.0003          ？？？？ jN\} l|;q  
   FNO         2.0001       lWr{v\L'  
   OBJ DIS     0.0000         （物距） w-%V9]J1  
   TT         63.9400              ？？？？ Y40`~  
   IMG DIS     0.6000           （像距） =.=4P~T&  
   OAL        63.3400            ？？？？ "@1e0`n Q  
   PARAXIAL IMAGE ^gb3DNV~y  
    HT         2.4002                    ？？？？ "HCJ!  
    THI       12.6247                ？？？？ nRYHp7`  
   ANG         0.0000 /gkHV3}fu  
   ENTRANCE PUPIL xV&c)l>}  
    DIA    0.1408E+11         （直径） h0}=C_.^  
    THI    0.1000E+11         ？？？ 
F?UI8  
   EXIT PUPIL e6E{l  
    DIA       67.6583     J<g$hk  
    THI     -155.5216 .+|HJ(  
_l`d+ \#  
    HT, OAL, THI几个缩写实在不知什么意思，请教诸位，多谢~！！ >K }j}M%  
)HHG3cvU  

這是 FIR 指令的說明 bXVH7Fy  
97/"5i9  
At any conjugate, finite or infinite: {+`'ZU6C  
EFL – Effective focal length F1m 1%
  
BFL – Back focal length 'Z(KE2&?  
FFL – Front focal length ^|u7+b'|t  
FNO – f/number q"Ct=d  
IMG DIS– Actual image distance (SI-1 to SI) Yp*Dd}n`  
OAL – Overall length (S1 to SI-1) }e/#dMEi  
ANG – Object space last field angle (in degrees) *P\$<4l  
,8=`Y9#  
PARAXIAL IMAGE
]!@z3Hv3  
HT – Height on image surface criQa<N"  
W9i}w&  
ENTRANCE PUPIL V*xo3hU  
DIA – Diameter (u/-ud1p  
THI – Distance from S1 to pupil #%Z 0!  
.[%
^~q7  
EXIT PUPIL =t[hsl  
DIA – Diameter OV@MT^  
THI – Distance from SI-1 to pupil WJ%4I
aT  
qDG{hvl[1r  
Add at finite conjugates (if applicable): EES
GU(  
RED – Reduction ratio bl8zcpdL  
FNO – f/number at actual conjugate 29a~B<e7s  
OBJ DIS – Object distance (SO) P
tt  
TT – Total track distance (SO to SI) 47S1mxur  
A_h|f5  
PARAXIAL IMAGE ;kW+  
THI – Paraxial image distance (from SI-1) rM?O2n  

楼上正解

还是看不懂。

zebra:這是 FIR 指令的說明
At any conjugate, finite or infinite: K}(@Ek  
EFL – Effective focal length <3fY,qw  
BFL – Back focal length H{,qw%.|KA  
....... (2015-04-21 12:52)  FT Ytf4t  

=5q_aK#i  
多谢多谢~

热心助人，鼓励！

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ht像面高度，oal是s1面到si-1面距离，thi是si-1面到光瞳的距离

一楼好人

厉害厉害 @DK`#,  
]~9YRVeC