[求助]镜头的一阶数据HT, THI, OAL代表什么？ [复制链接]

INFINITE CONJUGATES 49
HP2E  
   EFL        42.0337    （有效焦距） 'V8o["P  
   BFL       -89.5297      （后焦距=像方焦距？） *^RoI  
   FFL        12.0118        （前焦距=物方焦距？） #R7hk5/8n}  
   FNO         0.0000         （F数） B%`|W@v  
AT USED CONJUGATES hi4-Z=pl  
   RED         4.0003          ？？？？ 76]Z~^Y  
   FNO         2.0001       ,tDLpnB@;  
   OBJ DIS     0.0000         （物距）  ^6b5}{>  
   TT         63.9400              ？？？？ 2 6 >9$S  
   IMG DIS     0.6000           （像距） #s' `bF^  
   OAL        63.3400            ？？？？ q(csZ\e=  
   PARAXIAL IMAGE 5j\Kej  
    HT         2.4002                    ？？？？ e&E7_  
    THI       12.6247                ？？？？ Vk2%yw>  
   ANG         0.0000 |`pBI0Sjo  
   ENTRANCE PUPIL hTWZIW@  
    DIA    0.1408E+11         （直径） e z_c;  
    THI    0.1000E+11         ？？？ atW^^4:  
   EXIT PUPIL :5'hd^Q  
    DIA       67.6583     rP,|  
    THI     -155.5216 @' %XdH  
y~Yv^'Epf  
    HT, OAL, THI几个缩写实在不知什么意思，请教诸位，多谢~！！ _\8E/4zh  
+Z-{6C  

這是 FIR 指令的說明 qx9;"Ut  
7h2/8YUgQ  
At any conjugate, finite or infinite: ]Nw]po+  
EFL – Effective focal length ;8f)p9vE  
BFL – Back focal length s<Nw)Ynw  
FFL – Front focal length NH:Bdl3  
FNO – f/number {.0I!oWv  
IMG DIS– Actual image distance (SI-1 to SI) +fKV/tSWi  
OAL – Overall length (S1 to SI-1) \zBZ$5 rE  
ANG – Object space last field angle (in degrees) '66nqJb*  
t/%[U,m  
PARAXIAL IMAGE U%Hcck'  
HT – Height on image surface XbeT x  
Fp"c {  
ENTRANCE PUPIL b"`Q&V.  
DIA – Diameter ux*G*QZ  
THI – Distance from S1 to pupil !6sR|c"~j  
k_Sm ep  
EXIT PUPIL "vkM*HP  
DIA – Diameter I2NMn5>  
THI – Distance from SI-1 to pupil Xr4k]'Mg  
7
l09  
Add at finite conjugates (if applicable): a;kiAJ'  
RED – Reduction ratio F9tWJJUsr  
FNO – f/number at actual conjugate |Q@(<'8=  
OBJ DIS – Object distance (SO) n{qVF#N_  
TT – Total track distance (SO to SI) BZKg:;9  
Fi7~JZZ  
PARAXIAL IMAGE W>c*\)Xk !  
THI – Paraxial image distance (from SI-1) u-bgk(u  

楼上正解

还是看不懂。

zebra:這是 FIR 指令的說明
At any conjugate, finite or infinite: G"*ch$:  
EFL – Effective focal length )zo:Bo .<  
BFL – Back focal length cN]g^  
....... (2015-04-21 12:52)  'L veCi_  

/)XN^Jwa;m  
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 r!y3VmJ'm  
B*AB@