這是 FIR 指令的說明 EuHQp7
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At any conjugate, finite or infinite: O}C*weU
EFL – Effective focal length ;-JF1p 7;
BFL – Back focal length U9BhtmY
FFL – Front focal length I!!cA?W
FNO – f/number j~bNH~3
IMG DIS– Actual image distance (SI-1 to SI) n%WjU)<
OAL – Overall length (S1 to SI-1) :H>I`)bw
ANG – Object space last field angle (in degrees) C#[P<= v
*lDVV,T'}w
PARAXIAL IMAGE 8A0a/
7Lj
HT – Height on image surface {yNeZXA>
l>|scs;TI
ENTRANCE PUPIL $mT)<N ;w
DIA – Diameter 3B]E2
THI – Distance from S1 to pupil ByE@4+9
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EXIT PUPIL ?yG[VW
DIA – Diameter B|o@|zF
THI – Distance from SI-1 to pupil WXo bh
I>8_gp\1
Add at finite conjugates (if applicable): 3Z~_6P^
+N
RED – Reduction ratio n3?
msY(*
FNO – f/number at actual conjugate BW)@.!C
OBJ DIS – Object distance (SO) 1Y"9<ry
TT – Total track distance (SO to SI) ydVDjE
Y
id,' + <
PARAXIAL IMAGE IT#Li
THI – Paraxial image distance (from SI-1) ]?V:+>t=