[求助]镜头的一阶数据HT, THI, OAL代表什么？ [复制链接]

INFINITE CONJUGATES 69 J4p=c,  
   EFL        42.0337    （有效焦距） ab[V->>%  
   BFL       -89.5297      （后焦距=像方焦距？） \[ W`hhJ  
   FFL        12.0118        （前焦距=物方焦距？） S[CWrPaDQ  
   FNO         0.0000         （F数） _TyQC1 d  
AT USED CONJUGATES OI:T#uk5  
   RED         4.0003          ？？？？ 0zk054F'  
   FNO         2.0001       1[-RIN;U8  
   OBJ DIS     0.0000         （物距） E)]emeGd  
   TT         63.9400              ？？？？
 CVZ4:p  
   IMG DIS     0.6000           （像距） Ch]q:o4  
   OAL        63.3400            ？？？？ 1pqYB]*u_  
   PARAXIAL IMAGE GuF-HP}xM  
    HT         2.4002                    ？？？？ 2
<*Yq8  
    THI       12.6247                ？？？？ KP!7hJhw  
   ANG         0.0000 fO837  
   ENTRANCE PUPIL )>]SJQ!k  
    DIA    0.1408E+11         （直径） @"iNjqxh  
    THI    0.1000E+11         ？？？ {JM3drnw  
   EXIT PUPIL !q8A!P4|'  
    DIA       67.6583     h1#l12k^'  
    THI     -155.5216 =H"%{VeC5  
Is97>aid  
    HT, OAL, THI几个缩写实在不知什么意思，请教诸位，多谢~！！ :I^4ILQCD  
@^`5;JiUk  

這是 FIR 指令的說明 pe+m%;nzR  
/Wy9".  
At any conjugate, finite or infinite: ]xhH:kW4  
EFL – Effective focal length obw:@
i#  
BFL – Back focal length V.[b${  
FFL – Front focal length DE?@8k  
FNO – f/number QY
Wl`Yqf  
IMG DIS– Actual image distance (SI-1 to SI) [{J1b  
OAL – Overall length (S1 to SI-1) }80n5X<9  
ANG – Object space last field angle (in degrees) dTVM !=  
* =O@D2g0  
PARAXIAL IMAGE u[!Ex=9W  
HT – Height on image surface t;[Q&Jl  
p-/}@r3Z+  
ENTRANCE PUPIL 7p18;Z+6>X  
DIA – Diameter $P&27  
THI – Distance from S1 to pupil z<BwV /fH}  
)sapUnqrlR  
EXIT PUPIL '`p0T%w  
DIA – Diameter B^1Io9  
THI – Distance from SI-1 to pupil F,XJGD*  
g:"Hg-s  
Add at finite conjugates (if applicable): tWdP5vfp  
RED – Reduction ratio 4_S%K&  
FNO – f/number at actual conjugate c{f1_qXN  
OBJ DIS – Object distance (SO) (yz8}L3  
TT – Total track distance (SO to SI) `RE1q)o}8M  
upH%-)%'  
PARAXIAL IMAGE Ia)
^  
THI – Paraxial image distance (from SI-1) ;:gx;'dm5  

楼上正解

还是看不懂。

zebra:這是 FIR 指令的說明
At any conjugate, finite or infinite: I^|bQ3sor  
EFL – Effective focal length o<'gM
]$  
BFL – Back focal length 7@"
X~C  
....... (2015-04-21 12:52)  Mvh_>-i  

4>E2G:  
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 _kn]#^ucCe  
Job/@> ;