[求助]镜头的一阶数据HT, THI, OAL代表什么？ [复制链接]

INFINITE CONJUGATES jwg*\HO,s  
   EFL        42.0337    （有效焦距） r PTfwhs  
   BFL       -89.5297      （后焦距=像方焦距？） *a^wYWa  
   FFL        12.0118        （前焦距=物方焦距？） ?OPuv5!pI  
   FNO         0.0000         （F数） !+z&] S3s  
AT USED CONJUGATES ;Y,zlq2  
   RED         4.0003          ？？？？ vJ{F)0 K  
   FNO         2.0001       jNI9 .45y  
   OBJ DIS     0.0000         （物距）
8>9MeDE  
   TT         63.9400              ？？？？ (f2r4Io|}  
   IMG DIS     0.6000           （像距） };
R2M  
   OAL        63.3400            ？？？？ ->*~e~T  
   PARAXIAL IMAGE T[I7.8g  
    HT         2.4002                    ？？？？ F|G v  
    THI       12.6247                ？？？？ )%b 5uZ  
   ANG         0.0000 H& $M/`  
   ENTRANCE PUPIL wv`ar>qVL  
    DIA    0.1408E+11         （直径） hE E1i  
    THI    0.1000E+11         ？？？ Cd]g+R}j  
   EXIT PUPIL A)gSOC{3F)  
    DIA       67.6583     c_>AbF{  
    THI     -155.5216 xLb=^Xjec  
AiL80W^=d)  
    HT, OAL, THI几个缩写实在不知什么意思，请教诸位，多谢~！！ Ct^=j@g  
}]M'f:%b  

這是 FIR 指令的說明 L&rtN@5;  
cv1PiIl  
At any conjugate, finite or infinite: sIbPMu`&U  
EFL – Effective focal length yJ`{\7Uqg  
BFL – Back focal length Z4:^#98c.  
FFL – Front focal length +6}CNC9Mp  
FNO – f/number acar-11_o/  
IMG DIS– Actual image distance (SI-1 to SI) ?bu=QV@  
OAL – Overall length (S1 to SI-1) L7nG5i  
ANG – Object space last field angle (in degrees) GIT"J}b}  
cW_l|  
PARAXIAL IMAGE (74y2U6  
HT – Height on image surface GY %$7
  
:>0,MO.^~K  
ENTRANCE PUPIL .XkD2~;  
DIA – Diameter *wsZ aQ  
THI – Distance from S1 to pupil /fLm )vN  
p-lFzNPc0  
EXIT PUPIL ~{);Ab.9+  
DIA – Diameter uJlW$Oc:.  
THI – Distance from SI-1 to pupil Q, "8Ty  
,t;US.s([.  
Add at finite conjugates (if applicable): 717G CL@  
RED – Reduction ratio dz>Jl},`k  
FNO – f/number at actual conjugate ZR-64G=L,  
OBJ DIS – Object distance (SO) ^fyue~9u  
TT – Total track distance (SO to SI) 34[TM3L].  
p@Cas  
PARAXIAL IMAGE !! )W`  
THI – Paraxial image distance (from SI-1) @H3x51PT(m  

楼上正解

还是看不懂。

zebra:這是 FIR 指令的說明
At any conjugate, finite or infinite: E<u(Yw6=  
EFL – Effective focal length Ja4M@z  
BFL – Back focal length ^E\n^D-RV  
....... (2015-04-21 12:52)  RsS:I6L  

eFS$;3FP1  
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 y/_=  
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