[求助]镜头的一阶数据HT, THI, OAL代表什么？ [复制链接]

INFINITE CONJUGATES ;% !'K~  
   EFL        42.0337    （有效焦距） yZ6560(q  
   BFL       -89.5297      （后焦距=像方焦距？） Lc+wS@  
   FFL        12.0118        （前焦距=物方焦距？）  $C(}  
   FNO         0.0000         （F数） OyZgg(iN  
AT USED CONJUGATES \|DcWH1  
   RED         4.0003          ？？？？ gjL>FOe8u  
   FNO         2.0001       j3IxcG}f  
   OBJ DIS     0.0000         （物距） o*I=6`j  
   TT         63.9400              ？？？？ E;D9S  
   IMG DIS     0.6000           （像距） ~;il{ym  
   OAL        63.3400            ？？？？ M*8Ef^-U`t  
   PARAXIAL IMAGE QF'N8Kla  
    HT         2.4002                    ？？？？ ^#lPXC Bg  
    THI       12.6247                ？？？？ Po(9BRd7  
   ANG         0.0000 hM/|k0YV  
   ENTRANCE PUPIL
h+CTi6-p  
    DIA    0.1408E+11         （直径） bb+-R_3Kd  
    THI    0.1000E+11         ？？？ y&-j NOKLM  
   EXIT PUPIL V8`t7[r  
    DIA       67.6583     JQi)6A?J  
    THI     -155.5216 L!c7$M5xJ  
+<|6y46  
    HT, OAL, THI几个缩写实在不知什么意思，请教诸位，多谢~！！ DP &,jU6  
vM1f-I-  

這是 FIR 指令的說明 Q
(T)s  
5|9,S  
At any conjugate, finite or infinite: /3L1Un*  
EFL – Effective focal length tl (2=\  
BFL – Back focal length gieTkZ  
FFL – Front focal length |K,9EM
3  
FNO – f/number 6 GO7[?U<  
IMG DIS– Actual image distance (SI-1 to SI) _b&Mrd  
OAL – Overall length (S1 to SI-1) }f+If{  
ANG – Object space last field angle (in degrees) &<_*yl p  
zy"L%i  
PARAXIAL IMAGE D}>pl8ke~g  
HT – Height on image surface [}9sq+##  
O={4 >>F  
ENTRANCE PUPIL #5wOgOv  
DIA – Diameter r/$+'~apTk  
THI – Distance from S1 to pupil h3Nwxj~E  
zH0%; o}  
EXIT PUPIL <Bn^+u\  
DIA – Diameter 3l_Ko%qS  
THI – Distance from SI-1 to pupil =Mzg={)v  
! @{rkp  
Add at finite conjugates (if applicable): [^EU'lewnW  
RED – Reduction ratio {>H#/I8si  
FNO – f/number at actual conjugate jV]'/X<  
OBJ DIS – Object distance (SO)
W$B&asO  
TT – Total track distance (SO to SI) 1L]7*NJe  
|R8=yO%(  
PARAXIAL IMAGE
VUC  
THI – Paraxial image distance (from SI-1) "u~l+aW0  

楼上正解

还是看不懂。

zebra:這是 FIR 指令的說明
At any conjugate, finite or infinite: /' L20aN2  
EFL – Effective focal length =sRd5aMs  
BFL – Back focal length S;NC
hu?8  
....... (2015-04-21 12:52)  i_g="^
 

w
3Aq[1U0  
多谢多谢~

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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 tNUcmiY  
7H[+iS0