[求助]镜头的一阶数据HT, THI, OAL代表什么？ [复制链接]

INFINITE CONJUGATES t'1Y@e  
   EFL        42.0337    （有效焦距） Yr+23Ro  
   BFL       -89.5297      （后焦距=像方焦距？） H?
`g!cX  
   FFL        12.0118        （前焦距=物方焦距？） !HK^AwNY  
   FNO         0.0000         （F数） ;inzyFbL=  
AT USED CONJUGATES H(-4:BD?  
   RED         4.0003          ？？？？ z[nS$]u  
   FNO         2.0001       ^,8R,S\}$  
   OBJ DIS     0.0000         （物距） ,EpH4*e  
   TT         63.9400              ？？？？ T~xwo  
   IMG DIS     0.6000           （像距） l7}g^\I  
   OAL        63.3400            ？？？？ y\c"b-lQX  
   PARAXIAL IMAGE Dg>^A  
    HT         2.4002                    ？？？？ K'5'}Lb5k  
    THI       12.6247                ？？？？ $m| V :/  
   ANG         0.0000 f{&bOF v  
   ENTRANCE PUPIL y$W
|~ H   
    DIA    0.1408E+11         （直径） ^%>kO,  
    THI    0.1000E+11         ？？？ (Ddp|a"b  
   EXIT PUPIL GK*v{`  
    DIA       67.6583     , YW|n:X  
    THI     -155.5216 ,!#ccv+Vm%  
/JJw 6[N  
    HT, OAL, THI几个缩写实在不知什么意思，请教诸位，多谢~！！ e}yX_Z'P<  
&^".2)zU  

這是 FIR 指令的說明 q2aYEuu,  
9xI GV!  
At any conjugate, finite or infinite: NAC_pM&B  
EFL – Effective focal length |*5
=_vF  
BFL – Back focal length 0%Ll  
FFL – Front focal length }T2xXbU  
FNO – f/number feM6K!fL`  
IMG DIS– Actual image distance (SI-1 to SI) g|X;ahTT  
OAL – Overall length (S1 to SI-1) 2
1X`h3+=  
ANG – Object space last field angle (in degrees) Sl2iz?   
dUrElXbXd  
PARAXIAL IMAGE uN*KHE+h  
HT – Height on image surface LpbsYl  
df}r% i  
ENTRANCE PUPIL _gj&$zP  
DIA – Diameter G3P&{.v  
THI – Distance from S1 to pupil *|.0Myjo  
>SF Uy\3  
EXIT PUPIL I=)hWC/  
DIA – Diameter (IqZ@->nw  
THI – Distance from SI-1 to pupil B(g_Gm<  
u7%D6W~m0  
Add at finite conjugates (if applicable): ~
/pzxo$  
RED – Reduction ratio
fEf_F r  
FNO – f/number at actual conjugate CvSIV7zYo  
OBJ DIS – Object distance (SO) E51dV:l  
TT – Total track distance (SO to SI) .T<=z  
z /KK)u(q  
PARAXIAL IMAGE $,=6[T!z+e  
THI – Paraxial image distance (from SI-1) ia&AW  

楼上正解

还是看不懂。

zebra:這是 FIR 指令的說明
At any conjugate, finite or infinite: &Wf3~hmo  
EFL – Effective focal length ,;M4jc{  
BFL – Back focal length Xn~I=Ml d  
....... (2015-04-21 12:52)  O5H9Y}i]  

tgjr&G}a@0  
多谢多谢~

热心助人，鼓励！

鼓励鼓励！

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 t:LcNlN|  
F_uY{bg