這是 FIR 指令的說明 eMtQa;Lc9o
,+v>(h>q
At any conjugate, finite or infinite: 9?uU%9r5P
EFL – Effective focal length $ncP#6
BFL – Back focal length rQ(u@u;
FFL – Front focal length M63t4; 0A
FNO – f/number hV NT
IMG DIS– Actual image distance (SI-1 to SI) l6N"{iXU
OAL – Overall length (S1 to SI-1) ir~4\G!
ANG – Object space last field angle (in degrees) 1sq1{|NW~
7w}]9wCN?
PARAXIAL IMAGE P"|-)d
HT – Height on image surface H-3*},9
sC_doh_M
ENTRANCE PUPIL CUx-k|\
DIA – Diameter }Vfc;2
THI – Distance from S1 to pupil S&F;~
G[]h1f!
EXIT PUPIL \"9ysePI
DIA – Diameter R]l2,0:
THI – Distance from SI-1 to pupil s14ot80)
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Add at finite conjugates (if applicable): UYGO|lkEU
RED – Reduction ratio 2tS,q_-=
FNO – f/number at actual conjugate oGL2uQXX
OBJ DIS – Object distance (SO) 9O\yIL
TT – Total track distance (SO to SI) X.AE>fx*h
6%MM)Vj+u
PARAXIAL IMAGE 91UC>]}H
THI – Paraxial image distance (from SI-1) TVK*l*