這是 FIR 指令的說明 \1hbCv$Hf
| Uf6k`
At any conjugate, finite or infinite: 8Br*
EFL – Effective focal length K?,eIZ{.S
BFL – Back focal length A !No:?S
FFL – Front focal length >_(Xb %w
FNO – f/number /<vb v
IMG DIS– Actual image distance (SI-1 to SI) KlDW'R $
OAL – Overall length (S1 to SI-1) c_<m8b{AEF
ANG – Object space last field angle (in degrees) R:P'QM
\:]Clvc
PARAXIAL IMAGE ifl`QZp_
HT – Height on image surface ;ajCnSmR
:t-a;Q;
ENTRANCE PUPIL 3t5`,R1@t
DIA – Diameter l9"0Wu@_x
THI – Distance from S1 to pupil os|8/[gT
YwyP+S r\
EXIT PUPIL mufi>}
DIA – Diameter ,y>,?6:>
THI – Distance from SI-1 to pupil "<H.F 87Z)
:oY u+ cQ
Add at finite conjugates (if applicable): #\[h.4i
RED – Reduction ratio W \:!v%C
FNO – f/number at actual conjugate q 9lz
OBJ DIS – Object distance (SO) J^8(h R
TT – Total track distance (SO to SI) e3,TY.,Ay
htX;"R&
PARAXIAL IMAGE 6z=h0,Y}
THI – Paraxial image distance (from SI-1) qPGpN0M`
