這是 FIR 指令的說明 [r]USCq
Oe;9[=L[
At any conjugate, finite or infinite: co~TQpy^
EFL – Effective focal length tX)]ZuEi$
BFL – Back focal length xRaYm
FFL – Front focal length ^[id8
FNO – f/number x,p|n
IMG DIS– Actual image distance (SI-1 to SI) kxf'_Nzy
OAL – Overall length (S1 to SI-1) H;$w^Tr
ANG – Object space last field angle (in degrees) XP(q=Mw
FPcgQ
v;p
PARAXIAL IMAGE I7[+:?2
HT – Height on image surface Mq*Sp
UR
FE_n+^|k<
ENTRANCE PUPIL `ZNjA},.
DIA – Diameter ;dB=/U>3U
THI – Distance from S1 to pupil %!eK"DKG^
$*2uI?87}:
EXIT PUPIL [&Qrk8EN
DIA – Diameter |d,1mmv@K
THI – Distance from SI-1 to pupil _ROe!w 1
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Add at finite conjugates (if applicable): k@wT,?kD
RED – Reduction ratio my04>6j0
FNO – f/number at actual conjugate i\`[0dfY
OBJ DIS – Object distance (SO) v4qvqGK
TT – Total track distance (SO to SI) _$, .NK,6
mBnC]$<R
PARAXIAL IMAGE B!8]\D
THI – Paraxial image distance (from SI-1) &Nec(q<