這是 FIR 指令的說明 GE |P )VO
bXK$H=S Bz
At any conjugate, finite or infinite: zH1ChgF=}
EFL – Effective focal length P*9L3 R*=N
BFL – Back focal length vL~j6'
FFL – Front focal length l#;o^H i
FNO – f/number A?Gk8
IMG DIS– Actual image distance (SI-1 to SI) +V/m V7FK
OAL – Overall length (S1 to SI-1) [ :cZDVaA|
ANG – Object space last field angle (in degrees) }7Y @u@R
cT3 s{k
PARAXIAL IMAGE 9H,Ec,.
HT – Height on image surface ~A-VgBbU>_
o3> D~9
ENTRANCE PUPIL lZ5TDS
DIA – Diameter _`q ei0
THI – Distance from S1 to pupil 3R Z D=`
gcl w>((5
EXIT PUPIL )*_n/^m
DIA – Diameter t$5)6zG
THI – Distance from SI-1 to pupil T.iVY5^<
't un;Y
Add at finite conjugates (if applicable): d> L*2 g
RED – Reduction ratio ,v>| Ub,
FNO – f/number at actual conjugate `&qeSEs\
OBJ DIS – Object distance (SO) h} <Ie <
TT – Total track distance (SO to SI) {ZD'l5jU
,)P6fa/
PARAXIAL IMAGE eHH qm^1z
THI – Paraxial image distance (from SI-1) S}XVr?l 2O
