這是 FIR 指令的說明 WF<`CQ g[
V} Y %9V
At any conjugate, finite or infinite: W~E%Eq3
EFL – Effective focal length |GtTz&
BFL – Back focal length %geiJ z
FFL – Front focal length 7udMF3;>
FNO – f/number Tw"u{%t
IMG DIS– Actual image distance (SI-1 to SI) \];0S4SBy
OAL – Overall length (S1 to SI-1) X[:Hp`_$
ANG – Object space last field angle (in degrees) '9%72yG
6Y0k}+j|>E
PARAXIAL IMAGE eWSA
HT – Height on image surface {A]"/AC
yB\}e'J^
ENTRANCE PUPIL 0Lmq?D
DIA – Diameter FjqoO.
THI – Distance from S1 to pupil 4Tgy2[D?q
fqA\Rp6Z
EXIT PUPIL QNn\wz_)
DIA – Diameter iTF`sjL
THI – Distance from SI-1 to pupil &^Q-:Kxs8
w%R(*,r6
Add at finite conjugates (if applicable): ;`',M6g
RED – Reduction ratio S[(Tpk2_
FNO – f/number at actual conjugate d\dh"/_$
OBJ DIS – Object distance (SO) ;+]
mcgN!
TT – Total track distance (SO to SI) >Q#h,x~vu
F
\6-s`(
PARAXIAL IMAGE / r6^]grg
THI – Paraxial image distance (from SI-1) jWk1FQte