這是 FIR 指令的說明 gQk#l\w _
g_Dt} !A\B
At any conjugate, finite or infinite: "6*Kgf2G
EFL – Effective focal length xJH9qc ME
BFL – Back focal length F)<G]i8n~
FFL – Front focal length (fk, 80
FNO – f/number ) R
a/
IMG DIS– Actual image distance (SI-1 to SI) cJ(zidf_$
OAL – Overall length (S1 to SI-1) hO<w]jV,
ANG – Object space last field angle (in degrees) XB!`*vZ/<
=
"hY{RUa
PARAXIAL IMAGE eI =Y~jy
HT – Height on image surface 7 L~ zI>2
Sfr\%Buv
ENTRANCE PUPIL :86luLFm
DIA – Diameter g`5`KU|
THI – Distance from S1 to pupil <cfH '~
j2{,1h j
EXIT PUPIL }^ Ua
DIA – Diameter Z\gg <Q
THI – Distance from SI-1 to pupil @|UIV
Q3'B$,3O^
Add at finite conjugates (if applicable): _]~ht H
RED – Reduction ratio { d2f)ra.
FNO – f/number at actual conjugate 6L 6~IXL>
OBJ DIS – Object distance (SO) }A'<?d8
TT – Total track distance (SO to SI) M_.,c Vk
eze(>0\f
PARAXIAL IMAGE D@b<}J>0'
THI – Paraxial image distance (from SI-1) xP/1@6]_Je
