這是 FIR 指令的說明 YTP6m9hA+
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At any conjugate, finite or infinite: *\ZK(/V
EFL – Effective focal length !lf'gW
BFL – Back focal length *F7ksLH|q
FFL – Front focal length l'TM^B)`c
FNO – f/number y
qDE|DIez
IMG DIS– Actual image distance (SI-1 to SI) sTeW4Hnp
OAL – Overall length (S1 to SI-1) 1Z-f@PoM
ANG – Object space last field angle (in degrees) vZ3/t8$*
JtA
tG%
PARAXIAL IMAGE ]@YBa4}w
HT – Height on image surface $KDH"J
P(B:tg
ENTRANCE PUPIL uXD?s3Wv
DIA – Diameter [AgS@^"sf5
THI – Distance from S1 to pupil /sHWJ?`&/,
)w\E^
EXIT PUPIL 7&-i
:2
DIA – Diameter 3zi(|B[,?
THI – Distance from SI-1 to pupil Y)="of
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Add at finite conjugates (if applicable): 6%'bo`S#
RED – Reduction ratio <*I%U]
FNO – f/number at actual conjugate 6XU1w
OBJ DIS – Object distance (SO) =P>c1T1-
TT – Total track distance (SO to SI) \Nd8,hE
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PARAXIAL IMAGE ,|RS]I>X
THI – Paraxial image distance (from SI-1) #{97<sU\